10999940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{78571}}^1$

素因数の和:78587

約数の個数: 24

約数和(自身を含む): 26400192

約数和(自身を除く): 15400252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 78571, 157142, 314284, 392855, 549997, 785710, 1099994, 1571420, 2199988, 2749985, 5499970, 10999940]

約数ペア:

[(1, 10999940), (2, 5499970), (4, 2749985), (5, 2199988), (7, 1571420), (10, 1099994), (14, 785710), (20, 549997), (28, 392855), (35, 314284), (70, 157142), (140, 78571)]