214707640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{766813}}^1$

素因数の和:766831

約数の個数: 32

約数和(自身を含む): 552106080

約数和(自身を除く): 337398440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 766813, 1533626, 3067252, 3834065, 5367691, 6134504, 7668130, 10735382, 15336260, 21470764, 26838455, 30672520, 42941528, 53676910, 107353820, 214707640]

約数ペア:

[(1, 214707640), (2, 107353820), (4, 53676910), (5, 42941528), (7, 30672520), (8, 26838455), (10, 21470764), (14, 15336260), (20, 10735382), (28, 7668130), (35, 6134504), (40, 5367691), (56, 3834065), (70, 3067252), (140, 1533626), (280, 766813)]