145197025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{4357}}^1$

素因数の和:4441

約数の個数: 24

約数和(自身を含む): 190217984

約数和(自身を除く): 45020959

約数列:

[1, 5, 25, 31, 43, 155, 215, 775, 1075, 1333, 4357, 6665, 21785, 33325, 108925, 135067, 187351, 675335, 936755, 3376675, 4683775, 5807881, 29039405, 145197025]

約数ペア:

[(1, 145197025), (5, 29039405), (25, 5807881), (31, 4683775), (43, 3376675), (155, 936755), (215, 675335), (775, 187351), (1075, 135067), (1333, 108925), (4357, 33325), (6665, 21785)]