126895790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{258971}}^1$

素因数の和:258992

約数の個数: 24

約数和(自身を含む): 265705272

約数和(自身を除く): 138809482

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 258971, 517942, 1294855, 1812797, 2589710, 3625594, 9063985, 12689579, 18127970, 25379158, 63447895, 126895790]

約数ペア:

[(1, 126895790), (2, 63447895), (5, 25379158), (7, 18127970), (10, 12689579), (14, 9063985), (35, 3625594), (49, 2589710), (70, 1812797), (98, 1294855), (245, 517942), (490, 258971)]