207984040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{472691}}^1$

素因数の和:472713

約数の個数: 32

約数和(自身を含む): 510507360

約数和(自身を除く): 302523320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 472691, 945382, 1890764, 2363455, 3781528, 4726910, 5199601, 9453820, 10399202, 18907640, 20798404, 25998005, 41596808, 51996010, 103992020, 207984040]

約数ペア:

[(1, 207984040), (2, 103992020), (4, 51996010), (5, 41596808), (8, 25998005), (10, 20798404), (11, 18907640), (20, 10399202), (22, 9453820), (40, 5199601), (44, 4726910), (55, 3781528), (88, 2363455), (110, 1890764), (220, 945382), (440, 472691)]