142668980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{245981}}^1$

素因数の和:246019

約数の個数: 24

約数和(自身を含む): 309937320

約数和(自身を除く): 167268340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 245981, 491962, 983924, 1229905, 2459810, 4919620, 7133449, 14266898, 28533796, 35667245, 71334490, 142668980]

約数ペア:

[(1, 142668980), (2, 71334490), (4, 35667245), (5, 28533796), (10, 14266898), (20, 7133449), (29, 4919620), (58, 2459810), (116, 1229905), (145, 983924), (290, 491962), (580, 245981)]