121981640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277231}}^1$

素因数の和:277253

約数の個数: 32

約数和(自身を含む): 299410560

約数和(自身を除く): 177428920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 277231, 554462, 1108924, 1386155, 2217848, 2772310, 3049541, 5544620, 6099082, 11089240, 12198164, 15247705, 24396328, 30495410, 60990820, 121981640]

約数ペア:

[(1, 121981640), (2, 60990820), (4, 30495410), (5, 24396328), (8, 15247705), (10, 12198164), (11, 11089240), (20, 6099082), (22, 5544620), (40, 3049541), (44, 2772310), (55, 2217848), (88, 1386155), (110, 1108924), (220, 554462), (440, 277231)]