581892140

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1\times {\mathrm{911}}^1$

素因数の和:1322

約数の個数: 48

約数和(自身を含む): 1238751360

約数和(自身を除く): 656859220

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 293, 436, 545, 586, 911, 1090, 1172, 1465, 1822, 2180, 2930, 3644, 4555, 5860, 9110, 18220, 31937, 63874, 99299, 127748, 159685, 198598, 266923, 319370, 397196, 496495, 533846, 638740, 992990, 1067692, 1334615, 1985980, 2669230, 5338460, 29094607, 58189214, 116378428, 145473035, 290946070, 581892140]

約数ペア:

[(1, 581892140), (2, 290946070), (4, 145473035), (5, 116378428), (10, 58189214), (20, 29094607), (109, 5338460), (218, 2669230), (293, 1985980), (436, 1334615), (545, 1067692), (586, 992990), (911, 638740), (1090, 533846), (1172, 496495), (1465, 397196), (1822, 319370), (2180, 266923), (2930, 198598), (3644, 159685), (4555, 127748), (5860, 99299), (9110, 63874), (18220, 31937)]