319568470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{5839}}^1$

素因数の和:6280

約数の個数: 32

約数和(自身を含む): 621048960

約数和(自身を除く): 301480490

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 421, 842, 2105, 4210, 5473, 5839, 10946, 11678, 27365, 29195, 54730, 58390, 75907, 151814, 379535, 759070, 2458219, 4916438, 12291095, 24582190, 31956847, 63913694, 159784235, 319568470]

約数ペア:

[(1, 319568470), (2, 159784235), (5, 63913694), (10, 31956847), (13, 24582190), (26, 12291095), (65, 4916438), (130, 2458219), (421, 759070), (842, 379535), (2105, 151814), (4210, 75907), (5473, 58390), (5839, 54730), (10946, 29195), (11678, 27365)]