278260450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{428093}}^1$

素因数の和:428118

約数の個数: 24

約数和(自身を含む): 557378388

約数和(自身を除く): 279117938

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 428093, 856186, 2140465, 4280930, 5565209, 10702325, 11130418, 21404650, 27826045, 55652090, 139130225, 278260450]

約数ペア:

[(1, 278260450), (2, 139130225), (5, 55652090), (10, 27826045), (13, 21404650), (25, 11130418), (26, 10702325), (50, 5565209), (65, 4280930), (130, 2140465), (325, 856186), (650, 428093)]