1810225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:169

約数の個数: 24

約数和(自身を含む): 2450240

約数和(自身を除く): 640015

約数列:

[1, 5, 19, 25, 37, 95, 103, 185, 475, 515, 703, 925, 1957, 2575, 3515, 3811, 9785, 17575, 19055, 48925, 72409, 95275, 362045, 1810225]

約数ペア:

[(1, 1810225), (5, 362045), (19, 95275), (25, 72409), (37, 48925), (95, 19055), (103, 17575), (185, 9785), (475, 3811), (515, 3515), (703, 2575), (925, 1957)]