127865990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{260951}}^1$

素因数の和:260972

約数の個数: 24

約数和(自身を含む): 267736752

約数和(自身を除く): 139870762

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 260951, 521902, 1304755, 1826657, 2609510, 3653314, 9133285, 12786599, 18266570, 25573198, 63932995, 127865990]

約数ペア:

[(1, 127865990), (2, 63932995), (5, 25573198), (7, 18266570), (10, 12786599), (14, 9133285), (35, 3653314), (49, 2609510), (70, 1826657), (98, 1304755), (245, 521902), (490, 260951)]