39970420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3911}}^1$

素因数の和:4000

約数の個数: 48

約数和(自身を含む): 97267968

約数和(自身を除く): 57297548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 3911, 5110, 7822, 10220, 15644, 19555, 27377, 39110, 54754, 78220, 109508, 136885, 273770, 285503, 547540, 571006, 1142012, 1427515, 1998521, 2855030, 3997042, 5710060, 7994084, 9992605, 19985210, 39970420]

約数ペア:

[(1, 39970420), (2, 19985210), (4, 9992605), (5, 7994084), (7, 5710060), (10, 3997042), (14, 2855030), (20, 1998521), (28, 1427515), (35, 1142012), (70, 571006), (73, 547540), (140, 285503), (146, 273770), (292, 136885), (365, 109508), (511, 78220), (730, 54754), (1022, 39110), (1460, 27377), (2044, 19555), (2555, 15644), (3911, 10220), (5110, 7822)]