89401340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{638581}}^1$

素因数の和:638597

約数の個数: 24

約数和(自身を含む): 214563552

約数和(自身を除く): 125162212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 638581, 1277162, 2554324, 3192905, 4470067, 6385810, 8940134, 12771620, 17880268, 22350335, 44700670, 89401340]

約数ペア:

[(1, 89401340), (2, 44700670), (4, 22350335), (5, 17880268), (7, 12771620), (10, 8940134), (14, 6385810), (20, 4470067), (28, 3192905), (35, 2554324), (70, 1277162), (140, 638581)]