31528400

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^2\times {\mathrm{149}}^1$

素因数の和:213

約数の個数: 90

約数和(自身を含む): 79714950

約数和(自身を除く): 48186550

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 149, 184, 200, 230, 298, 368, 400, 460, 529, 575, 596, 745, 920, 1058, 1150, 1192, 1490, 1840, 2116, 2300, 2384, 2645, 2980, 3427, 3725, 4232, 4600, 5290, 5960, 6854, 7450, 8464, 9200, 10580, 11920, 13225, 13708, 14900, 17135, 21160, 26450, 27416, 29800, 34270, 42320, 52900, 54832, 59600, 68540, 78821, 85675, 105800, 137080, 157642, 171350, 211600, 274160, 315284, 342700, 394105, 630568, 685400, 788210, 1261136, 1370800, 1576420, 1970525, 3152840, 3941050, 6305680, 7882100, 15764200, 31528400]

約数ペア:

[(1, 31528400), (2, 15764200), (4, 7882100), (5, 6305680), (8, 3941050), (10, 3152840), (16, 1970525), (20, 1576420), (23, 1370800), (25, 1261136), (40, 788210), (46, 685400), (50, 630568), (80, 394105), (92, 342700), (100, 315284), (115, 274160), (149, 211600), (184, 171350), (200, 157642), (230, 137080), (298, 105800), (368, 85675), (400, 78821), (460, 68540), (529, 59600), (575, 54832), (596, 52900), (745, 42320), (920, 34270), (1058, 29800), (1150, 27416), (1192, 26450), (1490, 21160), (1840, 17135), (2116, 14900), (2300, 13708), (2384, 13225), (2645, 11920), (2980, 10580), (3427, 9200), (3725, 8464), (4232, 7450), (4600, 6854), (5290, 5960)]