188010920

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{18289}}^1$

素因数の和:18557

約数の個数: 32

約数和(自身を含む): 424693800

約数和(自身を除く): 236682880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 10280, 18289, 36578, 73156, 91445, 146312, 182890, 365780, 731560, 4700273, 9400546, 18801092, 23501365, 37602184, 47002730, 94005460, 188010920]

約数ペア:

[(1, 188010920), (2, 94005460), (4, 47002730), (5, 37602184), (8, 23501365), (10, 18801092), (20, 9400546), (40, 4700273), (257, 731560), (514, 365780), (1028, 182890), (1285, 146312), (2056, 91445), (2570, 73156), (5140, 36578), (10280, 18289)]