215307400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:117

約数の個数: 288

約数和(自身を含む): 664957440

約数和(自身を除く): 449650040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 31, 35, 40, 41, 44, 50, 55, 56, 62, 70, 77, 82, 88, 100, 110, 121, 124, 140, 154, 155, 164, 175, 200, 205, 217, 220, 242, 248, 275, 280, 287, 308, 310, 328, 341, 350, 385, 410, 434, 440, 451, 484, 550, 574, 605, 616, 620, 682, 700, 770, 775, 820, 847, 868, 902, 968, 1025, 1085, 1100, 1148, 1210, 1240, 1271, 1364, 1400, 1435, 1540, 1550, 1640, 1694, 1705, 1736, 1804, 1925, 2050, 2170, 2200, 2255, 2296, 2387, 2420, 2542, 2728, 2870, 3025, 3080, 3100, 3157, 3388, 3410, 3608, 3751, 3850, 4100, 4235, 4340, 4510, 4774, 4840, 4961, 5084, 5425, 5740, 6050, 6200, 6314, 6355, 6776, 6820, 7175, 7502, 7700, 8200, 8470, 8525, 8680, 8897, 9020, 9548, 9922, 10168, 10850, 11275, 11480, 11935, 12100, 12628, 12710, 13640, 13981, 14350, 15004, 15400, 15785, 16940, 17050, 17794, 18040, 18755, 19096, 19844, 21175, 21700, 22550, 23870, 24200, 24805, 25256, 25420, 26257, 27962, 28700, 30008, 31570, 31775, 33880, 34100, 34727, 35588, 37510, 39688, 42350, 43400, 44485, 45100, 47740, 49610, 50840, 52514, 55924, 57400, 59675, 63140, 63550, 68200, 69454, 69905, 71176, 75020, 78925, 84700, 88970, 90200, 93775, 95480, 97867, 99220, 105028, 111848, 119350, 124025, 126280, 127100, 131285, 138908, 139810, 150040, 153791, 157850, 169400, 173635, 177940, 187550, 195734, 198440, 210056, 222425, 238700, 248050, 254200, 262570, 277816, 279620, 307582, 315700, 347270, 349525, 355880, 375100, 391468, 444850, 477400, 489335, 496100, 525140, 559240, 615164, 631400, 656425, 694540, 699050, 750200, 768955, 782936, 868175, 889700, 978670, 992200, 1050280, 1076537, 1230328, 1312850, 1389080, 1398100, 1537910, 1736350, 1779400, 1957340, 2153074, 2446675, 2625700, 2796200, 3075820, 3472700, 3844775, 3914680, 4306148, 4893350, 5251400, 5382685, 6151640, 6945400, 7689550, 8612296, 9786700, 10765370, 15379100, 19573400, 21530740, 26913425, 30758200, 43061480, 53826850, 107653700, 215307400]

約数ペア:

[(1, 215307400), (2, 107653700), (4, 53826850), (5, 43061480), (7, 30758200), (8, 26913425), (10, 21530740), (11, 19573400), (14, 15379100), (20, 10765370), (22, 9786700), (25, 8612296), (28, 7689550), (31, 6945400), (35, 6151640), (40, 5382685), (41, 5251400), (44, 4893350), (50, 4306148), (55, 3914680), (56, 3844775), (62, 3472700), (70, 3075820), (77, 2796200), (82, 2625700), (88, 2446675), (100, 2153074), (110, 1957340), (121, 1779400), (124, 1736350), (140, 1537910), (154, 1398100), (155, 1389080), (164, 1312850), (175, 1230328), (200, 1076537), (205, 1050280), (217, 992200), (220, 978670), (242, 889700), (248, 868175), (275, 782936), (280, 768955), (287, 750200), (308, 699050), (310, 694540), (328, 656425), (341, 631400), (350, 615164), (385, 559240), (410, 525140), (434, 496100), (440, 489335), (451, 477400), (484, 444850), (550, 391468), (574, 375100), (605, 355880), (616, 349525), (620, 347270), (682, 315700), (700, 307582), (770, 279620), (775, 277816), (820, 262570), (847, 254200), (868, 248050), (902, 238700), (968, 222425), (1025, 210056), (1085, 198440), (1100, 195734), (1148, 187550), (1210, 177940), (1240, 173635), (1271, 169400), (1364, 157850), (1400, 153791), (1435, 150040), (1540, 139810), (1550, 138908), (1640, 131285), (1694, 127100), (1705, 126280), (1736, 124025), (1804, 119350), (1925, 111848), (2050, 105028), (2170, 99220), (2200, 97867), (2255, 95480), (2296, 93775), (2387, 90200), (2420, 88970), (2542, 84700), (2728, 78925), (2870, 75020), (3025, 71176), (3080, 69905), (3100, 69454), (3157, 68200), (3388, 63550), (3410, 63140), (3608, 59675), (3751, 57400), (3850, 55924), (4100, 52514), (4235, 50840), (4340, 49610), (4510, 47740), (4774, 45100), (4840, 44485), (4961, 43400), (5084, 42350), (5425, 39688), (5740, 37510), (6050, 35588), (6200, 34727), (6314, 34100), (6355, 33880), (6776, 31775), (6820, 31570), (7175, 30008), (7502, 28700), (7700, 27962), (8200, 26257), (8470, 25420), (8525, 25256), (8680, 24805), (8897, 24200), (9020, 23870), (9548, 22550), (9922, 21700), (10168, 21175), (10850, 19844), (11275, 19096), (11480, 18755), (11935, 18040), (12100, 17794), (12628, 17050), (12710, 16940), (13640, 15785), (13981, 15400), (14350, 15004)]