90744725

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{1433}}^1$

素因数の和:1609

約数の個数: 24

約数和(自身を含む): 120025800

約数和(自身を除く): 29281075

約数列:

[1, 5, 17, 25, 85, 149, 425, 745, 1433, 2533, 3725, 7165, 12665, 24361, 35825, 63325, 121805, 213517, 609025, 1067585, 3629789, 5337925, 18148945, 90744725]

約数ペア:

[(1, 90744725), (5, 18148945), (17, 5337925), (25, 3629789), (85, 1067585), (149, 609025), (425, 213517), (745, 121805), (1433, 63325), (2533, 35825), (3725, 24361), (7165, 12665)]