89801740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{641441}}^1$

素因数の和:641457

約数の個数: 24

約数和(自身を含む): 215524512

約数和(自身を除く): 125722772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 641441, 1282882, 2565764, 3207205, 4490087, 6414410, 8980174, 12828820, 17960348, 22450435, 44900870, 89801740]

約数ペア:

[(1, 89801740), (2, 44900870), (4, 22450435), (5, 17960348), (7, 12828820), (10, 8980174), (14, 6414410), (20, 4490087), (28, 3207205), (35, 2565764), (70, 1282882), (140, 641441)]