208359990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:275

約数の個数: 192

約数和(自身を含む): 621084672

約数和(自身を除く): 412724682

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 23, 30, 31, 34, 45, 46, 51, 62, 69, 85, 90, 93, 102, 115, 138, 153, 155, 170, 186, 191, 207, 230, 255, 279, 306, 310, 345, 382, 391, 414, 465, 510, 527, 558, 573, 690, 713, 765, 782, 930, 955, 1035, 1054, 1146, 1173, 1395, 1426, 1530, 1581, 1719, 1910, 1955, 2070, 2139, 2346, 2635, 2790, 2865, 3162, 3247, 3438, 3519, 3565, 3910, 4278, 4393, 4743, 5270, 5730, 5865, 5921, 6417, 6494, 7038, 7130, 7905, 8595, 8786, 9486, 9741, 10695, 11730, 11842, 12121, 12834, 13179, 15810, 16235, 17190, 17595, 17763, 19482, 21390, 21965, 23715, 24242, 26358, 29223, 29605, 32085, 32470, 35190, 35526, 36363, 39537, 43930, 47430, 48705, 53289, 58446, 59210, 60605, 64170, 65895, 72726, 74681, 79074, 88815, 97410, 100657, 106578, 109089, 121210, 131790, 136183, 146115, 149362, 177630, 181815, 197685, 201314, 218178, 224043, 266445, 272366, 292230, 301971, 363630, 373405, 395370, 408549, 448086, 503285, 532890, 545445, 603942, 672129, 680915, 746810, 817098, 905913, 1006570, 1090890, 1120215, 1225647, 1344258, 1361830, 1509855, 1811826, 2042745, 2240430, 2315111, 2451294, 3019710, 3360645, 4085490, 4529565, 4630222, 6128235, 6721290, 6945333, 9059130, 11575555, 12256470, 13890666, 20835999, 23151110, 34726665, 41671998, 69453330, 104179995, 208359990]

約数ペア:

[(1, 208359990), (2, 104179995), (3, 69453330), (5, 41671998), (6, 34726665), (9, 23151110), (10, 20835999), (15, 13890666), (17, 12256470), (18, 11575555), (23, 9059130), (30, 6945333), (31, 6721290), (34, 6128235), (45, 4630222), (46, 4529565), (51, 4085490), (62, 3360645), (69, 3019710), (85, 2451294), (90, 2315111), (93, 2240430), (102, 2042745), (115, 1811826), (138, 1509855), (153, 1361830), (155, 1344258), (170, 1225647), (186, 1120215), (191, 1090890), (207, 1006570), (230, 905913), (255, 817098), (279, 746810), (306, 680915), (310, 672129), (345, 603942), (382, 545445), (391, 532890), (414, 503285), (465, 448086), (510, 408549), (527, 395370), (558, 373405), (573, 363630), (690, 301971), (713, 292230), (765, 272366), (782, 266445), (930, 224043), (955, 218178), (1035, 201314), (1054, 197685), (1146, 181815), (1173, 177630), (1395, 149362), (1426, 146115), (1530, 136183), (1581, 131790), (1719, 121210), (1910, 109089), (1955, 106578), (2070, 100657), (2139, 97410), (2346, 88815), (2635, 79074), (2790, 74681), (2865, 72726), (3162, 65895), (3247, 64170), (3438, 60605), (3519, 59210), (3565, 58446), (3910, 53289), (4278, 48705), (4393, 47430), (4743, 43930), (5270, 39537), (5730, 36363), (5865, 35526), (5921, 35190), (6417, 32470), (6494, 32085), (7038, 29605), (7130, 29223), (7905, 26358), (8595, 24242), (8786, 23715), (9486, 21965), (9741, 21390), (10695, 19482), (11730, 17763), (11842, 17595), (12121, 17190), (12834, 16235), (13179, 15810)]