402830525

素因数分解:

$5^2\times {\mathrm{197}}^1\times {\mathrm{263}}^1\times {\mathrm{311}}^1$

素因数の和:781

約数の個数: 24

約数和(自身を含む): 505574784

約数和(自身を除く): 102744259

約数列:

[1, 5, 25, 197, 263, 311, 985, 1315, 1555, 4925, 6575, 7775, 51811, 61267, 81793, 259055, 306335, 408965, 1295275, 1531675, 2044825, 16113221, 80566105, 402830525]

約数ペア:

[(1, 402830525), (5, 80566105), (25, 16113221), (197, 2044825), (263, 1531675), (311, 1295275), (985, 408965), (1315, 306335), (1555, 259055), (4925, 81793), (6575, 61267), (7775, 51811)]