1490478520

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{228601}}^1$

素因数の和:228775

約数の個数: 32

約数和(自身を含む): 3374165520

約数和(自身を除く): 1883687000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 228601, 457202, 914404, 1143005, 1828808, 2286010, 4572020, 9144040, 37261963, 74523926, 149047852, 186309815, 298095704, 372619630, 745239260, 1490478520]

約数ペア:

[(1, 1490478520), (2, 745239260), (4, 372619630), (5, 298095704), (8, 186309815), (10, 149047852), (20, 74523926), (40, 37261963), (163, 9144040), (326, 4572020), (652, 2286010), (815, 1828808), (1304, 1143005), (1630, 914404), (3260, 457202), (6520, 228601)]