420123290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{62987}}^1$

素因数の和:63046

約数の個数: 32

約数和(自身を含む): 816324480

約数和(自身を除く): 396201190

約数列:

[1, 2, 5, 10, 23, 29, 46, 58, 115, 145, 230, 290, 667, 1334, 3335, 6670, 62987, 125974, 314935, 629870, 1448701, 1826623, 2897402, 3653246, 7243505, 9133115, 14487010, 18266230, 42012329, 84024658, 210061645, 420123290]

約数ペア:

[(1, 420123290), (2, 210061645), (5, 84024658), (10, 42012329), (23, 18266230), (29, 14487010), (46, 9133115), (58, 7243505), (115, 3653246), (145, 2897402), (230, 1826623), (290, 1448701), (667, 629870), (1334, 314935), (3335, 125974), (6670, 62987)]