201529240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{6451}}^1$

素因数の和:6544

約数の個数: 64

約数和(自身を含む): 501707520

約数和(自身を除く): 300178280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 710, 781, 1420, 1562, 2840, 3124, 3905, 6248, 6451, 7810, 12902, 15620, 25804, 31240, 32255, 51608, 64510, 70961, 129020, 141922, 258040, 283844, 354805, 458021, 567688, 709610, 916042, 1419220, 1832084, 2290105, 2838440, 3664168, 4580210, 5038231, 9160420, 10076462, 18320840, 20152924, 25191155, 40305848, 50382310, 100764620, 201529240]

約数ペア:

[(1, 201529240), (2, 100764620), (4, 50382310), (5, 40305848), (8, 25191155), (10, 20152924), (11, 18320840), (20, 10076462), (22, 9160420), (40, 5038231), (44, 4580210), (55, 3664168), (71, 2838440), (88, 2290105), (110, 1832084), (142, 1419220), (220, 916042), (284, 709610), (355, 567688), (440, 458021), (568, 354805), (710, 283844), (781, 258040), (1420, 141922), (1562, 129020), (2840, 70961), (3124, 64510), (3905, 51608), (6248, 32255), (6451, 31240), (7810, 25804), (12902, 15620)]