657186740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{8221}}^1$

素因数の和:8808

約数の個数: 48

約数和(自身を含む): 1580202624

約数和(自身を除く): 923015884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 571, 1142, 2284, 2855, 3997, 5710, 7994, 8221, 11420, 15988, 16442, 19985, 32884, 39970, 41105, 57547, 79940, 82210, 115094, 164420, 230188, 287735, 575470, 1150940, 4694191, 9388382, 18776764, 23470955, 32859337, 46941910, 65718674, 93883820, 131437348, 164296685, 328593370, 657186740]

約数ペア:

[(1, 657186740), (2, 328593370), (4, 164296685), (5, 131437348), (7, 93883820), (10, 65718674), (14, 46941910), (20, 32859337), (28, 23470955), (35, 18776764), (70, 9388382), (140, 4694191), (571, 1150940), (1142, 575470), (2284, 287735), (2855, 230188), (3997, 164420), (5710, 115094), (7994, 82210), (8221, 79940), (11420, 57547), (15988, 41105), (16442, 39970), (19985, 32884)]