2647990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 5158080

約数和(自身を除く): 2510090

約数列:

[1, 2, 5, 10, 23, 29, 46, 58, 115, 145, 230, 290, 397, 667, 794, 1334, 1985, 3335, 3970, 6670, 9131, 11513, 18262, 23026, 45655, 57565, 91310, 115130, 264799, 529598, 1323995, 2647990]

約数ペア:

[(1, 2647990), (2, 1323995), (5, 529598), (10, 264799), (23, 115130), (29, 91310), (46, 57565), (58, 45655), (115, 23026), (145, 18262), (230, 11513), (290, 9131), (397, 6670), (667, 3970), (794, 3335), (1334, 1985)]