9780177820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{69858413}}^1$

素因数の和:69858429

約数の個数: 24

約数和(自身を含む): 23472427104

約数和(自身を除く): 13692249284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 69858413, 139716826, 279433652, 349292065, 489008891, 698584130, 978017782, 1397168260, 1956035564, 2445044455, 4890088910, 9780177820]

約数ペア:

[(1, 9780177820), (2, 4890088910), (4, 2445044455), (5, 1956035564), (7, 1397168260), (10, 978017782), (14, 698584130), (20, 489008891), (28, 349292065), (35, 279433652), (70, 139716826), (140, 69858413)]