2858402920

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{655597}}^1$

素因数の和:655717

約数の個数: 32

約数和(自身を含む): 6490420200

約数和(自身を除く): 3632017280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 655597, 1311194, 2622388, 3277985, 5244776, 6555970, 13111940, 26223880, 71460073, 142920146, 285840292, 357300365, 571680584, 714600730, 1429201460, 2858402920]

約数ペア:

[(1, 2858402920), (2, 1429201460), (4, 714600730), (5, 571680584), (8, 357300365), (10, 285840292), (20, 142920146), (40, 71460073), (109, 26223880), (218, 13111940), (436, 6555970), (545, 5244776), (872, 3277985), (1090, 2622388), (2180, 1311194), (4360, 655597)]