90893720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2917}}^1$

素因数の和:2988

約数の個数: 64

約数和(自身を含む): 220600800

約数和(自身を除く): 129707080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 380, 410, 760, 779, 820, 1558, 1640, 2917, 3116, 3895, 5834, 6232, 7790, 11668, 14585, 15580, 23336, 29170, 31160, 55423, 58340, 110846, 116680, 119597, 221692, 239194, 277115, 443384, 478388, 554230, 597985, 956776, 1108460, 1195970, 2216920, 2272343, 2391940, 4544686, 4783880, 9089372, 11361715, 18178744, 22723430, 45446860, 90893720]

約数ペア:

[(1, 90893720), (2, 45446860), (4, 22723430), (5, 18178744), (8, 11361715), (10, 9089372), (19, 4783880), (20, 4544686), (38, 2391940), (40, 2272343), (41, 2216920), (76, 1195970), (82, 1108460), (95, 956776), (152, 597985), (164, 554230), (190, 478388), (205, 443384), (328, 277115), (380, 239194), (410, 221692), (760, 119597), (779, 116680), (820, 110846), (1558, 58340), (1640, 55423), (2917, 31160), (3116, 29170), (3895, 23336), (5834, 15580), (6232, 14585), (7790, 11668)]