389282960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{442367}}^1$

素因数の和:442391

約数の個数: 40

約数和(自身を含む): 987365376

約数和(自身を除く): 598082416

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 442367, 884734, 1769468, 2211835, 3538936, 4423670, 4866037, 7077872, 8847340, 9732074, 17694680, 19464148, 24330185, 35389360, 38928296, 48660370, 77856592, 97320740, 194641480, 389282960]

約数ペア:

[(1, 389282960), (2, 194641480), (4, 97320740), (5, 77856592), (8, 48660370), (10, 38928296), (11, 35389360), (16, 24330185), (20, 19464148), (22, 17694680), (40, 9732074), (44, 8847340), (55, 7077872), (80, 4866037), (88, 4423670), (110, 3538936), (176, 2211835), (220, 1769468), (440, 884734), (880, 442367)]