870825290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1091}}^1\times {\mathrm{4201}}^1$

素因数の和:5318

約数の個数: 32

約数和(自身を含む): 1651890240

約数和(自身を除く): 781064950

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 1091, 2182, 4201, 5455, 8402, 10910, 20729, 21005, 41458, 42010, 79819, 103645, 159638, 207290, 399095, 798190, 4583291, 9166582, 22916455, 45832910, 87082529, 174165058, 435412645, 870825290]

約数ペア:

[(1, 870825290), (2, 435412645), (5, 174165058), (10, 87082529), (19, 45832910), (38, 22916455), (95, 9166582), (190, 4583291), (1091, 798190), (2182, 399095), (4201, 207290), (5455, 159638), (8402, 103645), (10910, 79819), (20729, 42010), (21005, 41458)]