217673940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{10639}}^1$

素因数の和:10693

約数の個数: 96

約数和(自身を含む): 686407680

約数和(自身を除く): 468733740

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 31, 33, 44, 55, 60, 62, 66, 93, 110, 124, 132, 155, 165, 186, 220, 310, 330, 341, 372, 465, 620, 660, 682, 930, 1023, 1364, 1705, 1860, 2046, 3410, 4092, 5115, 6820, 10230, 10639, 20460, 21278, 31917, 42556, 53195, 63834, 106390, 117029, 127668, 159585, 212780, 234058, 319170, 329809, 351087, 468116, 585145, 638340, 659618, 702174, 989427, 1170290, 1319236, 1404348, 1649045, 1755435, 1978854, 2340580, 3298090, 3510870, 3627899, 3957708, 4947135, 6596180, 7021740, 7255798, 9894270, 10883697, 14511596, 18139495, 19788540, 21767394, 36278990, 43534788, 54418485, 72557980, 108836970, 217673940]

約数ペア:

[(1, 217673940), (2, 108836970), (3, 72557980), (4, 54418485), (5, 43534788), (6, 36278990), (10, 21767394), (11, 19788540), (12, 18139495), (15, 14511596), (20, 10883697), (22, 9894270), (30, 7255798), (31, 7021740), (33, 6596180), (44, 4947135), (55, 3957708), (60, 3627899), (62, 3510870), (66, 3298090), (93, 2340580), (110, 1978854), (124, 1755435), (132, 1649045), (155, 1404348), (165, 1319236), (186, 1170290), (220, 989427), (310, 702174), (330, 659618), (341, 638340), (372, 585145), (465, 468116), (620, 351087), (660, 329809), (682, 319170), (930, 234058), (1023, 212780), (1364, 159585), (1705, 127668), (1860, 117029), (2046, 106390), (3410, 63834), (4092, 53195), (5115, 42556), (6820, 31917), (10230, 21278), (10639, 20460)]