281036680

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{242273}}^1$

素因数の和:242313

約数の個数: 32

約数和(自身を含む): 654139800

約数和(自身を除く): 373103120

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 242273, 484546, 969092, 1211365, 1938184, 2422730, 4845460, 7025917, 9690920, 14051834, 28103668, 35129585, 56207336, 70259170, 140518340, 281036680]

約数ペア:

[(1, 281036680), (2, 140518340), (4, 70259170), (5, 56207336), (8, 35129585), (10, 28103668), (20, 14051834), (29, 9690920), (40, 7025917), (58, 4845460), (116, 2422730), (145, 1938184), (232, 1211365), (290, 969092), (580, 484546), (1160, 242273)]