90791260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{648509}}^1$

素因数の和:648525

約数の個数: 24

約数和(自身を含む): 217899360

約数和(自身を除く): 127108100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 648509, 1297018, 2594036, 3242545, 4539563, 6485090, 9079126, 12970180, 18158252, 22697815, 45395630, 90791260]

約数ペア:

[(1, 90791260), (2, 45395630), (4, 22697815), (5, 18158252), (7, 12970180), (10, 9079126), (14, 6485090), (20, 4539563), (28, 3242545), (35, 2594036), (70, 1297018), (140, 648509)]