2042810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{379}}^1$

素因数の和:411

約数の個数: 48

約数和(自身を含む): 4678560

約数和(自身を除く): 2635750

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 379, 385, 490, 539, 758, 770, 1078, 1895, 2653, 2695, 3790, 4169, 5306, 5390, 8338, 13265, 18571, 20845, 26530, 29183, 37142, 41690, 58366, 92855, 145915, 185710, 204281, 291830, 408562, 1021405, 2042810]

約数ペア:

[(1, 2042810), (2, 1021405), (5, 408562), (7, 291830), (10, 204281), (11, 185710), (14, 145915), (22, 92855), (35, 58366), (49, 41690), (55, 37142), (70, 29183), (77, 26530), (98, 20845), (110, 18571), (154, 13265), (245, 8338), (379, 5390), (385, 5306), (490, 4169), (539, 3790), (758, 2695), (770, 2653), (1078, 1895)]