890992030

素因数分解:

$2^1\times 5^1\times {\mathrm{701}}^1\times {\mathrm{127103}}^1$

素因数の和:127811

約数の個数: 16

約数和(自身を含む): 1606086144

約数和(自身を除く): 715094114

約数列:

[1, 2, 5, 10, 701, 1402, 3505, 7010, 127103, 254206, 635515, 1271030, 89099203, 178198406, 445496015, 890992030]

約数ペア:

[(1, 890992030), (2, 445496015), (5, 178198406), (10, 89099203), (701, 1271030), (1402, 635515), (3505, 254206), (7010, 127103)]