140340820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{3079}}^1$

素因数の和:3184

約数の個数: 48

約数和(自身を含む): 307359360

約数和(自身を除く): 167018540

約数列:

[1, 2, 4, 5, 10, 20, 43, 53, 86, 106, 172, 212, 215, 265, 430, 530, 860, 1060, 2279, 3079, 4558, 6158, 9116, 11395, 12316, 15395, 22790, 30790, 45580, 61580, 132397, 163187, 264794, 326374, 529588, 652748, 661985, 815935, 1323970, 1631870, 2647940, 3263740, 7017041, 14034082, 28068164, 35085205, 70170410, 140340820]

約数ペア:

[(1, 140340820), (2, 70170410), (4, 35085205), (5, 28068164), (10, 14034082), (20, 7017041), (43, 3263740), (53, 2647940), (86, 1631870), (106, 1323970), (172, 815935), (212, 661985), (215, 652748), (265, 529588), (430, 326374), (530, 264794), (860, 163187), (1060, 132397), (2279, 61580), (3079, 45580), (4558, 30790), (6158, 22790), (9116, 15395), (11395, 12316)]