378996860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1722713}}^1$

素因数の和:1722733

約数の個数: 24

約数和(自身を含む): 868247856

約数和(自身を除く): 489250996

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1722713, 3445426, 6890852, 8613565, 17227130, 18949843, 34454260, 37899686, 75799372, 94749215, 189498430, 378996860]

約数ペア:

[(1, 378996860), (2, 189498430), (4, 94749215), (5, 75799372), (10, 37899686), (11, 34454260), (20, 18949843), (22, 17227130), (44, 8613565), (55, 6890852), (110, 3445426), (220, 1722713)]