130619740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1\times {\mathrm{461}}^1$

素因数の和:958

約数の個数: 48

約数和(自身を含む): 284385024

約数和(自身を除く): 153765284

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 457, 461, 620, 914, 922, 1828, 1844, 2285, 2305, 4570, 4610, 9140, 9220, 14167, 14291, 28334, 28582, 56668, 57164, 70835, 71455, 141670, 142910, 210677, 283340, 285820, 421354, 842708, 1053385, 2106770, 4213540, 6530987, 13061974, 26123948, 32654935, 65309870, 130619740]

約数ペア:

[(1, 130619740), (2, 65309870), (4, 32654935), (5, 26123948), (10, 13061974), (20, 6530987), (31, 4213540), (62, 2106770), (124, 1053385), (155, 842708), (310, 421354), (457, 285820), (461, 283340), (620, 210677), (914, 142910), (922, 141670), (1828, 71455), (1844, 70835), (2285, 57164), (2305, 56668), (4570, 28582), (4610, 28334), (9140, 14291), (9220, 14167)]