79740220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{569573}}^1$

素因数の和:569589

約数の個数: 24

約数和(自身を含む): 191376864

約数和(自身を除く): 111636644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 569573, 1139146, 2278292, 2847865, 3987011, 5695730, 7974022, 11391460, 15948044, 19935055, 39870110, 79740220]

約数ペア:

[(1, 79740220), (2, 39870110), (4, 19935055), (5, 15948044), (7, 11391460), (10, 7974022), (14, 5695730), (20, 3987011), (28, 2847865), (35, 2278292), (70, 1139146), (140, 569573)]