168996920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{145687}}^1$

素因数の和:145727

約数の個数: 32

約数和(自身を含む): 393357600

約数和(自身を除く): 224360680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 145687, 291374, 582748, 728435, 1165496, 1456870, 2913740, 4224923, 5827480, 8449846, 16899692, 21124615, 33799384, 42249230, 84498460, 168996920]

約数ペア:

[(1, 168996920), (2, 84498460), (4, 42249230), (5, 33799384), (8, 21124615), (10, 16899692), (20, 8449846), (29, 5827480), (40, 4224923), (58, 2913740), (116, 1456870), (145, 1165496), (232, 728435), (290, 582748), (580, 291374), (1160, 145687)]