399011570

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1\times {\mathrm{953}}^1$

素因数の和:1390

約数の個数: 32

約数和(自身を含む): 726375600

約数和(自身を除く): 327364030

約数列:

[1, 2, 5, 10, 149, 281, 298, 562, 745, 953, 1405, 1490, 1906, 2810, 4765, 9530, 41869, 83738, 141997, 209345, 267793, 283994, 418690, 535586, 709985, 1338965, 1419970, 2677930, 39901157, 79802314, 199505785, 399011570]

約数ペア:

[(1, 399011570), (2, 199505785), (5, 79802314), (10, 39901157), (149, 2677930), (281, 1419970), (298, 1338965), (562, 709985), (745, 535586), (953, 418690), (1405, 283994), (1490, 267793), (1906, 209345), (2810, 141997), (4765, 83738), (9530, 41869)]