3155240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 7931520

約数和(自身を除く): 4776280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 101, 110, 142, 202, 220, 284, 355, 404, 440, 505, 568, 710, 781, 808, 1010, 1111, 1420, 1562, 2020, 2222, 2840, 3124, 3905, 4040, 4444, 5555, 6248, 7171, 7810, 8888, 11110, 14342, 15620, 22220, 28684, 31240, 35855, 44440, 57368, 71710, 78881, 143420, 157762, 286840, 315524, 394405, 631048, 788810, 1577620, 3155240]

約数ペア:

[(1, 3155240), (2, 1577620), (4, 788810), (5, 631048), (8, 394405), (10, 315524), (11, 286840), (20, 157762), (22, 143420), (40, 78881), (44, 71710), (55, 57368), (71, 44440), (88, 35855), (101, 31240), (110, 28684), (142, 22220), (202, 15620), (220, 14342), (284, 11110), (355, 8888), (404, 7810), (440, 7171), (505, 6248), (568, 5555), (710, 4444), (781, 4040), (808, 3905), (1010, 3124), (1111, 2840), (1420, 2222), (1562, 2020)]