78105490

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{677}}^1$

素因数の和:906

約数の個数: 32

約数和(自身を含む): 143519040

約数和(自身を除く): 65413550

約数列:

[1, 2, 5, 10, 83, 139, 166, 278, 415, 677, 695, 830, 1354, 1390, 3385, 6770, 11537, 23074, 56191, 57685, 94103, 112382, 115370, 188206, 280955, 470515, 561910, 941030, 7810549, 15621098, 39052745, 78105490]

約数ペア:

[(1, 78105490), (2, 39052745), (5, 15621098), (10, 7810549), (83, 941030), (139, 561910), (166, 470515), (278, 280955), (415, 188206), (677, 115370), (695, 112382), (830, 94103), (1354, 57685), (1390, 56191), (3385, 23074), (6770, 11537)]