2047260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 5796000

約数和(自身を除く): 3748740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 149, 229, 298, 447, 458, 596, 687, 745, 894, 916, 1145, 1374, 1490, 1788, 2235, 2290, 2748, 2980, 3435, 4470, 4580, 6870, 8940, 13740, 34121, 68242, 102363, 136484, 170605, 204726, 341210, 409452, 511815, 682420, 1023630, 2047260]

約数ペア:

[(1, 2047260), (2, 1023630), (3, 682420), (4, 511815), (5, 409452), (6, 341210), (10, 204726), (12, 170605), (15, 136484), (20, 102363), (30, 68242), (60, 34121), (149, 13740), (229, 8940), (298, 6870), (447, 4580), (458, 4470), (596, 3435), (687, 2980), (745, 2748), (894, 2290), (916, 2235), (1145, 1788), (1374, 1490)]