2851110

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:493

約数の個数: 48

約数和(自身を含む): 7525440

約数和(自身を除く): 4674330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 79, 90, 158, 237, 395, 401, 474, 711, 790, 802, 1185, 1203, 1422, 2005, 2370, 2406, 3555, 3609, 4010, 6015, 7110, 7218, 12030, 18045, 31679, 36090, 63358, 95037, 158395, 190074, 285111, 316790, 475185, 570222, 950370, 1425555, 2851110]

約数ペア:

[(1, 2851110), (2, 1425555), (3, 950370), (5, 570222), (6, 475185), (9, 316790), (10, 285111), (15, 190074), (18, 158395), (30, 95037), (45, 63358), (79, 36090), (90, 31679), (158, 18045), (237, 12030), (395, 7218), (401, 7110), (474, 6015), (711, 4010), (790, 3609), (802, 3555), (1185, 2406), (1203, 2370), (1422, 2005)]