400925

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:125

約数の個数: 24

約数和(自身を含む): 595200

約数和(自身を除く): 194275

約数列:

[1, 5, 7, 25, 29, 35, 79, 145, 175, 203, 395, 553, 725, 1015, 1975, 2291, 2765, 5075, 11455, 13825, 16037, 57275, 80185, 400925]

約数ペア:

[(1, 400925), (5, 80185), (7, 57275), (25, 16037), (29, 13825), (35, 11455), (79, 5075), (145, 2765), (175, 2291), (203, 1975), (395, 1015), (553, 725)]