390870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:157

約数の個数: 48

約数和(自身を含む): 1050192

約数和(自身を除く): 659322

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 101, 129, 202, 215, 258, 303, 387, 430, 505, 606, 645, 774, 909, 1010, 1290, 1515, 1818, 1935, 3030, 3870, 4343, 4545, 8686, 9090, 13029, 21715, 26058, 39087, 43430, 65145, 78174, 130290, 195435, 390870]

約数ペア:

[(1, 390870), (2, 195435), (3, 130290), (5, 78174), (6, 65145), (9, 43430), (10, 39087), (15, 26058), (18, 21715), (30, 13029), (43, 9090), (45, 8686), (86, 4545), (90, 4343), (101, 3870), (129, 3030), (202, 1935), (215, 1818), (258, 1515), (303, 1290), (387, 1010), (430, 909), (505, 774), (606, 645)]