1821983920

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{152851}}^1$

素因数の和:153013

約数の個数: 40

約数和(自身を含む): 4264570800

約数和(自身を除く): 2442586880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2980, 5960, 11920, 152851, 305702, 611404, 764255, 1222808, 1528510, 2445616, 3057020, 6114040, 12228080, 22774799, 45549598, 91099196, 113873995, 182198392, 227747990, 364396784, 455495980, 910991960, 1821983920]

約数ペア:

[(1, 1821983920), (2, 910991960), (4, 455495980), (5, 364396784), (8, 227747990), (10, 182198392), (16, 113873995), (20, 91099196), (40, 45549598), (80, 22774799), (149, 12228080), (298, 6114040), (596, 3057020), (745, 2445616), (1192, 1528510), (1490, 1222808), (2384, 764255), (2980, 611404), (5960, 305702), (11920, 152851)]