169539620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{8821}}^1$

素因数の和:8892

約数の個数: 36

約数和(自身を含む): 367930332

約数和(自身を除く): 198390712

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1922, 3844, 4805, 8821, 9610, 17642, 19220, 35284, 44105, 88210, 176420, 273451, 546902, 1093804, 1367255, 2734510, 5469020, 8476981, 16953962, 33907924, 42384905, 84769810, 169539620]

約数ペア:

[(1, 169539620), (2, 84769810), (4, 42384905), (5, 33907924), (10, 16953962), (20, 8476981), (31, 5469020), (62, 2734510), (124, 1367255), (155, 1093804), (310, 546902), (620, 273451), (961, 176420), (1922, 88210), (3844, 44105), (4805, 35284), (8821, 19220), (9610, 17642)]