920075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:191

約数の個数: 24

約数和(自身を含む): 1302000

約数和(自身を除く): 381925

約数列:

[1, 5, 13, 19, 25, 65, 95, 149, 247, 325, 475, 745, 1235, 1937, 2831, 3725, 6175, 9685, 14155, 36803, 48425, 70775, 184015, 920075]

約数ペア:

[(1, 920075), (5, 184015), (13, 70775), (19, 48425), (25, 36803), (65, 14155), (95, 9685), (149, 6175), (247, 3725), (325, 2831), (475, 1937), (745, 1235)]