191398960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1087}}^1$

素因数の和:1202

約数の個数: 80

約数和(自身を含む): 466255872

約数和(自身を除く): 274856912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 71, 80, 124, 142, 155, 248, 284, 310, 355, 496, 568, 620, 710, 1087, 1136, 1240, 1420, 2174, 2201, 2480, 2840, 4348, 4402, 5435, 5680, 8696, 8804, 10870, 11005, 17392, 17608, 21740, 22010, 33697, 35216, 43480, 44020, 67394, 77177, 86960, 88040, 134788, 154354, 168485, 176080, 269576, 308708, 336970, 385885, 539152, 617416, 673940, 771770, 1234832, 1347880, 1543540, 2392487, 2695760, 3087080, 4784974, 6174160, 9569948, 11962435, 19139896, 23924870, 38279792, 47849740, 95699480, 191398960]

約数ペア:

[(1, 191398960), (2, 95699480), (4, 47849740), (5, 38279792), (8, 23924870), (10, 19139896), (16, 11962435), (20, 9569948), (31, 6174160), (40, 4784974), (62, 3087080), (71, 2695760), (80, 2392487), (124, 1543540), (142, 1347880), (155, 1234832), (248, 771770), (284, 673940), (310, 617416), (355, 539152), (496, 385885), (568, 336970), (620, 308708), (710, 269576), (1087, 176080), (1136, 168485), (1240, 154354), (1420, 134788), (2174, 88040), (2201, 86960), (2480, 77177), (2840, 67394), (4348, 44020), (4402, 43480), (5435, 35216), (5680, 33697), (8696, 22010), (8804, 21740), (10870, 17608), (11005, 17392)]