173839240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{61211}}^1$

素因数の和:61293

約数の個数: 32

約数和(自身を含む): 396653760

約数和(自身を除く): 222814520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 61211, 122422, 244844, 306055, 489688, 612110, 1224220, 2448440, 4345981, 8691962, 17383924, 21729905, 34767848, 43459810, 86919620, 173839240]

約数ペア:

[(1, 173839240), (2, 86919620), (4, 43459810), (5, 34767848), (8, 21729905), (10, 17383924), (20, 8691962), (40, 4345981), (71, 2448440), (142, 1224220), (284, 612110), (355, 489688), (568, 306055), (710, 244844), (1420, 122422), (2840, 61211)]