31133996980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1998331}}^1$

素因数の和:1998400

約数の個数: 48

約数和(自身を含む): 70501152960

約数和(自身を除く): 39367155980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 7790, 15580, 1998331, 3996662, 7993324, 9991655, 19983310, 37968289, 39966620, 75936578, 81931571, 151873156, 163863142, 189841445, 327726284, 379682890, 409657855, 759365780, 819315710, 1556699849, 1638631420, 3113399698, 6226799396, 7783499245, 15566998490, 31133996980]

約数ペア:

[(1, 31133996980), (2, 15566998490), (4, 7783499245), (5, 6226799396), (10, 3113399698), (19, 1638631420), (20, 1556699849), (38, 819315710), (41, 759365780), (76, 409657855), (82, 379682890), (95, 327726284), (164, 189841445), (190, 163863142), (205, 151873156), (380, 81931571), (410, 75936578), (779, 39966620), (820, 37968289), (1558, 19983310), (3116, 9991655), (3895, 7993324), (7790, 3996662), (15580, 1998331)]