208720760

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^2\times {\mathrm{1499}}^1$

素因数の和:1628

約数の個数: 48

約数和(自身を含む): 478035000

約数和(自身を除く): 269314240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 1499, 2360, 2998, 3481, 5996, 6962, 7495, 11992, 13924, 14990, 17405, 27848, 29980, 34810, 59960, 69620, 88441, 139240, 176882, 353764, 442205, 707528, 884410, 1768820, 3537640, 5218019, 10436038, 20872076, 26090095, 41744152, 52180190, 104360380, 208720760]

約数ペア:

[(1, 208720760), (2, 104360380), (4, 52180190), (5, 41744152), (8, 26090095), (10, 20872076), (20, 10436038), (40, 5218019), (59, 3537640), (118, 1768820), (236, 884410), (295, 707528), (472, 442205), (590, 353764), (1180, 176882), (1499, 139240), (2360, 88441), (2998, 69620), (3481, 59960), (5996, 34810), (6962, 29980), (7495, 27848), (11992, 17405), (13924, 14990)]