1640694790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{61843}}^1$

素因数の和:62236

約数の個数: 32

約数和(自身を含む): 3384103680

約数和(自身を除く): 1743408890

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 379, 758, 1895, 2653, 3790, 5306, 13265, 26530, 61843, 123686, 309215, 432901, 618430, 865802, 2164505, 4329010, 23438497, 46876994, 117192485, 164069479, 234384970, 328138958, 820347395, 1640694790]

約数ペア:

[(1, 1640694790), (2, 820347395), (5, 328138958), (7, 234384970), (10, 164069479), (14, 117192485), (35, 46876994), (70, 23438497), (379, 4329010), (758, 2164505), (1895, 865802), (2653, 618430), (3790, 432901), (5306, 309215), (13265, 123686), (26530, 61843)]