157006025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 226176000

約数和(自身を除く): 69169975

約数列:

[1, 5, 11, 19, 25, 55, 95, 151, 199, 209, 275, 475, 755, 995, 1045, 1661, 2189, 2869, 3775, 3781, 4975, 5225, 8305, 10945, 14345, 18905, 30049, 31559, 41525, 41591, 54725, 71725, 94525, 150245, 157795, 207955, 330539, 570931, 751225, 788975, 1039775, 1652695, 2854655, 6280241, 8263475, 14273275, 31401205, 157006025]

約数ペア:

[(1, 157006025), (5, 31401205), (11, 14273275), (19, 8263475), (25, 6280241), (55, 2854655), (95, 1652695), (151, 1039775), (199, 788975), (209, 751225), (275, 570931), (475, 330539), (755, 207955), (995, 157795), (1045, 150245), (1661, 94525), (2189, 71725), (2869, 54725), (3775, 41591), (3781, 41525), (4975, 31559), (5225, 30049), (8305, 18905), (10945, 14345)]