2270660

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{331}}^1$

素因数の和:361

約数の個数: 48

約数和(自身を含む): 5577600

約数和(自身を除く): 3306940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 331, 343, 490, 662, 686, 980, 1324, 1372, 1655, 1715, 2317, 3310, 3430, 4634, 6620, 6860, 9268, 11585, 16219, 23170, 32438, 46340, 64876, 81095, 113533, 162190, 227066, 324380, 454132, 567665, 1135330, 2270660]

約数ペア:

[(1, 2270660), (2, 1135330), (4, 567665), (5, 454132), (7, 324380), (10, 227066), (14, 162190), (20, 113533), (28, 81095), (35, 64876), (49, 46340), (70, 32438), (98, 23170), (140, 16219), (196, 11585), (245, 9268), (331, 6860), (343, 6620), (490, 4634), (662, 3430), (686, 3310), (980, 2317), (1324, 1715), (1372, 1655)]