389548920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{32141}}^1$

素因数の和:32256

約数の個数: 64

約数和(自身を含む): 1180254240

約数和(自身を除く): 790705320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 303, 404, 505, 606, 808, 1010, 1212, 1515, 2020, 2424, 3030, 4040, 6060, 12120, 32141, 64282, 96423, 128564, 160705, 192846, 257128, 321410, 385692, 482115, 642820, 771384, 964230, 1285640, 1928460, 3246241, 3856920, 6492482, 9738723, 12984964, 16231205, 19477446, 25969928, 32462410, 38954892, 48693615, 64924820, 77909784, 97387230, 129849640, 194774460, 389548920]

約数ペア:

[(1, 389548920), (2, 194774460), (3, 129849640), (4, 97387230), (5, 77909784), (6, 64924820), (8, 48693615), (10, 38954892), (12, 32462410), (15, 25969928), (20, 19477446), (24, 16231205), (30, 12984964), (40, 9738723), (60, 6492482), (101, 3856920), (120, 3246241), (202, 1928460), (303, 1285640), (404, 964230), (505, 771384), (606, 642820), (808, 482115), (1010, 385692), (1212, 321410), (1515, 257128), (2020, 192846), (2424, 160705), (3030, 128564), (4040, 96423), (6060, 64282), (12120, 32141)]