117621620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{751}}^1$

素因数の和:992

約数の個数: 48

約数和(自身を含む): 254693376

約数和(自身を除く): 137071756

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 191, 205, 382, 410, 751, 764, 820, 955, 1502, 1910, 3004, 3755, 3820, 7510, 7831, 15020, 15662, 30791, 31324, 39155, 61582, 78310, 123164, 143441, 153955, 156620, 286882, 307910, 573764, 615820, 717205, 1434410, 2868820, 5881081, 11762162, 23524324, 29405405, 58810810, 117621620]

約数ペア:

[(1, 117621620), (2, 58810810), (4, 29405405), (5, 23524324), (10, 11762162), (20, 5881081), (41, 2868820), (82, 1434410), (164, 717205), (191, 615820), (205, 573764), (382, 307910), (410, 286882), (751, 156620), (764, 153955), (820, 143441), (955, 123164), (1502, 78310), (1910, 61582), (3004, 39155), (3755, 31324), (3820, 30791), (7510, 15662), (7831, 15020)]