123380205220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1\times {\mathrm{431671}}^1$

素因数の和:432172

約数の個数: 48

約数和(自身を含む): 268037231616

約数和(自身を除く): 144657026396

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 461, 620, 922, 1844, 2305, 4610, 9220, 14291, 28582, 57164, 71455, 142910, 285820, 431671, 863342, 1726684, 2158355, 4316710, 8633420, 13381801, 26763602, 53527204, 66909005, 133818010, 199000331, 267636020, 398000662, 796001324, 995001655, 1990003310, 3980006620, 6169010261, 12338020522, 24676041044, 30845051305, 61690102610, 123380205220]

約数ペア:

[(1, 123380205220), (2, 61690102610), (4, 30845051305), (5, 24676041044), (10, 12338020522), (20, 6169010261), (31, 3980006620), (62, 1990003310), (124, 995001655), (155, 796001324), (310, 398000662), (461, 267636020), (620, 199000331), (922, 133818010), (1844, 66909005), (2305, 53527204), (4610, 26763602), (9220, 13381801), (14291, 8633420), (28582, 4316710), (57164, 2158355), (71455, 1726684), (142910, 863342), (285820, 431671)]