172960340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1235431}}^1$

素因数の和:1235447

約数の個数: 24

約数和(自身を含む): 415105152

約数和(自身を除く): 242144812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1235431, 2470862, 4941724, 6177155, 8648017, 12354310, 17296034, 24708620, 34592068, 43240085, 86480170, 172960340]

約数ペア:

[(1, 172960340), (2, 86480170), (4, 43240085), (5, 34592068), (7, 24708620), (10, 17296034), (14, 12354310), (20, 8648017), (28, 6177155), (35, 4941724), (70, 2470862), (140, 1235431)]