719789620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{105541}}^1$

素因数の和:105592

約数の個数: 48

約数和(自身を含む): 1702181376

約数和(自身を除く): 982391756

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 105541, 211082, 422164, 527705, 1055410, 1160951, 2110820, 2321902, 3271771, 4643804, 5804755, 6543542, 11609510, 13087084, 16358855, 23219020, 32717710, 35989481, 65435420, 71978962, 143957924, 179947405, 359894810, 719789620]

約数ペア:

[(1, 719789620), (2, 359894810), (4, 179947405), (5, 143957924), (10, 71978962), (11, 65435420), (20, 35989481), (22, 32717710), (31, 23219020), (44, 16358855), (55, 13087084), (62, 11609510), (110, 6543542), (124, 5804755), (155, 4643804), (220, 3271771), (310, 2321902), (341, 2110820), (620, 1160951), (682, 1055410), (1364, 527705), (1705, 422164), (3410, 211082), (6820, 105541)]