8880390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1249}}^1$

素因数の和:1341

約数の個数: 48

約数和(自身を含む): 23400000

約数和(自身を除く): 14519610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 79, 90, 158, 237, 395, 474, 711, 790, 1185, 1249, 1422, 2370, 2498, 3555, 3747, 6245, 7110, 7494, 11241, 12490, 18735, 22482, 37470, 56205, 98671, 112410, 197342, 296013, 493355, 592026, 888039, 986710, 1480065, 1776078, 2960130, 4440195, 8880390]

約数ペア:

[(1, 8880390), (2, 4440195), (3, 2960130), (5, 1776078), (6, 1480065), (9, 986710), (10, 888039), (15, 592026), (18, 493355), (30, 296013), (45, 197342), (79, 112410), (90, 98671), (158, 56205), (237, 37470), (395, 22482), (474, 18735), (711, 12490), (790, 11241), (1185, 7494), (1249, 7110), (1422, 6245), (2370, 3747), (2498, 3555)]