641620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4583}}^1$

素因数の和:4599

約数の個数: 24

約数和(自身を含む): 1540224

約数和(自身を除く): 898604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4583, 9166, 18332, 22915, 32081, 45830, 64162, 91660, 128324, 160405, 320810, 641620]

約数ペア:

[(1, 641620), (2, 320810), (4, 160405), (5, 128324), (7, 91660), (10, 64162), (14, 45830), (20, 32081), (28, 22915), (35, 18332), (70, 9166), (140, 4583)]