129198700

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{587}}^1$

素因数の和:703

約数の個数: 72

約数和(自身を含む): 293981184

約数和(自身を除く): 164782484

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 71, 100, 124, 142, 155, 284, 310, 355, 587, 620, 710, 775, 1174, 1420, 1550, 1775, 2201, 2348, 2935, 3100, 3550, 4402, 5870, 7100, 8804, 11005, 11740, 14675, 18197, 22010, 29350, 36394, 41677, 44020, 55025, 58700, 72788, 83354, 90985, 110050, 166708, 181970, 208385, 220100, 363940, 416770, 454925, 833540, 909850, 1041925, 1291987, 1819700, 2083850, 2583974, 4167700, 5167948, 6459935, 12919870, 25839740, 32299675, 64599350, 129198700]

約数ペア:

[(1, 129198700), (2, 64599350), (4, 32299675), (5, 25839740), (10, 12919870), (20, 6459935), (25, 5167948), (31, 4167700), (50, 2583974), (62, 2083850), (71, 1819700), (100, 1291987), (124, 1041925), (142, 909850), (155, 833540), (284, 454925), (310, 416770), (355, 363940), (587, 220100), (620, 208385), (710, 181970), (775, 166708), (1174, 110050), (1420, 90985), (1550, 83354), (1775, 72788), (2201, 58700), (2348, 55025), (2935, 44020), (3100, 41677), (3550, 36394), (4402, 29350), (5870, 22010), (7100, 18197), (8804, 14675), (11005, 11740)]