90358900

素因数分解:

$2^2\times 5^2\times {\mathrm{701}}^1\times {\mathrm{1289}}^1$

素因数の和:2004

約数の個数: 36

約数和(自身を含む): 196510860

約数和(自身を除く): 106151960

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 701, 1289, 1402, 2578, 2804, 3505, 5156, 6445, 7010, 12890, 14020, 17525, 25780, 32225, 35050, 64450, 70100, 128900, 903589, 1807178, 3614356, 4517945, 9035890, 18071780, 22589725, 45179450, 90358900]

約数ペア:

[(1, 90358900), (2, 45179450), (4, 22589725), (5, 18071780), (10, 9035890), (20, 4517945), (25, 3614356), (50, 1807178), (100, 903589), (701, 128900), (1289, 70100), (1402, 64450), (2578, 35050), (2804, 32225), (3505, 25780), (5156, 17525), (6445, 14020), (7010, 12890)]