418701640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1495363}}^1$

素因数の和:1495381

約数の個数: 32

約数和(自身を含む): 1076662080

約数和(自身を除く): 657960440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1495363, 2990726, 5981452, 7476815, 10467541, 11962904, 14953630, 20935082, 29907260, 41870164, 52337705, 59814520, 83740328, 104675410, 209350820, 418701640]

約数ペア:

[(1, 418701640), (2, 209350820), (4, 104675410), (5, 83740328), (7, 59814520), (8, 52337705), (10, 41870164), (14, 29907260), (20, 20935082), (28, 14953630), (35, 11962904), (40, 10467541), (56, 7476815), (70, 5981452), (140, 2990726), (280, 1495363)]