1980500100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:315

約数の個数: 288

約数和(自身を含む): 6335594496

約数和(自身を除く): 4355094396

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 31, 46, 47, 50, 60, 62, 69, 75, 92, 93, 94, 100, 115, 124, 138, 141, 150, 155, 186, 188, 197, 230, 235, 276, 282, 300, 310, 345, 372, 394, 460, 465, 470, 564, 575, 591, 620, 690, 705, 713, 775, 788, 930, 940, 985, 1081, 1150, 1175, 1182, 1380, 1410, 1426, 1457, 1550, 1725, 1860, 1970, 2139, 2162, 2300, 2325, 2350, 2364, 2820, 2852, 2914, 2955, 3100, 3243, 3450, 3525, 3565, 3940, 4278, 4324, 4371, 4531, 4650, 4700, 4925, 5405, 5828, 5910, 6107, 6486, 6900, 7050, 7130, 7285, 8556, 8742, 9062, 9259, 9300, 9850, 10695, 10810, 11820, 12214, 12972, 13593, 14100, 14260, 14570, 14775, 16215, 17484, 17825, 18124, 18321, 18518, 19700, 21390, 21620, 21855, 22655, 24428, 27025, 27186, 27777, 29140, 29550, 30535, 32430, 33511, 35650, 36425, 36642, 37036, 42780, 43710, 45310, 46295, 53475, 54050, 54372, 55554, 59100, 61070, 64860, 67022, 67965, 71300, 72850, 73284, 81075, 87420, 90620, 91605, 92590, 100533, 106950, 108100, 109275, 111108, 113275, 122140, 134044, 135930, 138885, 140461, 145700, 152675, 162150, 167555, 183210, 185180, 201066, 212957, 213900, 218550, 226550, 231475, 271860, 277770, 280922, 287029, 305350, 324300, 335110, 339825, 366420, 402132, 421383, 425914, 437100, 453100, 458025, 462950, 502665, 555540, 561844, 574058, 610700, 638871, 670220, 679650, 694425, 702305, 837775, 842766, 851828, 861087, 916050, 925900, 1005330, 1064785, 1148116, 1277742, 1359300, 1388850, 1404610, 1435145, 1675550, 1685532, 1722174, 1832100, 2010660, 2106915, 2129570, 2513325, 2555484, 2777700, 2809220, 2870290, 3194355, 3351100, 3444348, 3511525, 4213830, 4259140, 4305435, 5026650, 5323925, 5740580, 6388710, 6601667, 7023050, 7175725, 8427660, 8610870, 10053300, 10534575, 10647850, 12777420, 13203334, 14046100, 14351450, 15971775, 17221740, 19805001, 21069150, 21295700, 21527175, 26406668, 28702900, 31943550, 33008335, 39610002, 42138300, 43054350, 63887100, 66016670, 79220004, 86108700, 99025005, 132033340, 165041675, 198050010, 330083350, 396100020, 495125025, 660166700, 990250050, 1980500100]

約数ペア:

[(1, 1980500100), (2, 990250050), (3, 660166700), (4, 495125025), (5, 396100020), (6, 330083350), (10, 198050010), (12, 165041675), (15, 132033340), (20, 99025005), (23, 86108700), (25, 79220004), (30, 66016670), (31, 63887100), (46, 43054350), (47, 42138300), (50, 39610002), (60, 33008335), (62, 31943550), (69, 28702900), (75, 26406668), (92, 21527175), (93, 21295700), (94, 21069150), (100, 19805001), (115, 17221740), (124, 15971775), (138, 14351450), (141, 14046100), (150, 13203334), (155, 12777420), (186, 10647850), (188, 10534575), (197, 10053300), (230, 8610870), (235, 8427660), (276, 7175725), (282, 7023050), (300, 6601667), (310, 6388710), (345, 5740580), (372, 5323925), (394, 5026650), (460, 4305435), (465, 4259140), (470, 4213830), (564, 3511525), (575, 3444348), (591, 3351100), (620, 3194355), (690, 2870290), (705, 2809220), (713, 2777700), (775, 2555484), (788, 2513325), (930, 2129570), (940, 2106915), (985, 2010660), (1081, 1832100), (1150, 1722174), (1175, 1685532), (1182, 1675550), (1380, 1435145), (1410, 1404610), (1426, 1388850), (1457, 1359300), (1550, 1277742), (1725, 1148116), (1860, 1064785), (1970, 1005330), (2139, 925900), (2162, 916050), (2300, 861087), (2325, 851828), (2350, 842766), (2364, 837775), (2820, 702305), (2852, 694425), (2914, 679650), (2955, 670220), (3100, 638871), (3243, 610700), (3450, 574058), (3525, 561844), (3565, 555540), (3940, 502665), (4278, 462950), (4324, 458025), (4371, 453100), (4531, 437100), (4650, 425914), (4700, 421383), (4925, 402132), (5405, 366420), (5828, 339825), (5910, 335110), (6107, 324300), (6486, 305350), (6900, 287029), (7050, 280922), (7130, 277770), (7285, 271860), (8556, 231475), (8742, 226550), (9062, 218550), (9259, 213900), (9300, 212957), (9850, 201066), (10695, 185180), (10810, 183210), (11820, 167555), (12214, 162150), (12972, 152675), (13593, 145700), (14100, 140461), (14260, 138885), (14570, 135930), (14775, 134044), (16215, 122140), (17484, 113275), (17825, 111108), (18124, 109275), (18321, 108100), (18518, 106950), (19700, 100533), (21390, 92590), (21620, 91605), (21855, 90620), (22655, 87420), (24428, 81075), (27025, 73284), (27186, 72850), (27777, 71300), (29140, 67965), (29550, 67022), (30535, 64860), (32430, 61070), (33511, 59100), (35650, 55554), (36425, 54372), (36642, 54050), (37036, 53475), (42780, 46295), (43710, 45310)]