191781040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{217933}}^1$

素因数の和:217957

約数の個数: 40

約数和(自身を含む): 486428688

約数和(自身を除く): 294647648

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 217933, 435866, 871732, 1089665, 1743464, 2179330, 2397263, 3486928, 4358660, 4794526, 8717320, 9589052, 11986315, 17434640, 19178104, 23972630, 38356208, 47945260, 95890520, 191781040]

約数ペア:

[(1, 191781040), (2, 95890520), (4, 47945260), (5, 38356208), (8, 23972630), (10, 19178104), (11, 17434640), (16, 11986315), (20, 9589052), (22, 8717320), (40, 4794526), (44, 4358660), (55, 3486928), (80, 2397263), (88, 2179330), (110, 1743464), (176, 1089665), (220, 871732), (440, 435866), (880, 217933)]