274243640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{623281}}^1$

素因数の和:623303

約数の個数: 32

約数和(自身を含む): 673144560

約数和(自身を除く): 398900920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 623281, 1246562, 2493124, 3116405, 4986248, 6232810, 6856091, 12465620, 13712182, 24931240, 27424364, 34280455, 54848728, 68560910, 137121820, 274243640]

約数ペア:

[(1, 274243640), (2, 137121820), (4, 68560910), (5, 54848728), (8, 34280455), (10, 27424364), (11, 24931240), (20, 13712182), (22, 12465620), (40, 6856091), (44, 6232810), (55, 4986248), (88, 3116405), (110, 2493124), (220, 1246562), (440, 623281)]