128951240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{293071}}^1$

素因数の和:293093

約数の個数: 32

約数和(自身を含む): 316517760

約数和(自身を除く): 187566520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 293071, 586142, 1172284, 1465355, 2344568, 2930710, 3223781, 5861420, 6447562, 11722840, 12895124, 16118905, 25790248, 32237810, 64475620, 128951240]

約数ペア:

[(1, 128951240), (2, 64475620), (4, 32237810), (5, 25790248), (8, 16118905), (10, 12895124), (11, 11722840), (20, 6447562), (22, 5861420), (40, 3223781), (44, 2930710), (55, 2344568), (88, 1465355), (110, 1172284), (220, 586142), (440, 293071)]