420149828

素因数分解:

$2^2\times 7^1\times {\mathrm{1949}}^1\times {\mathrm{7699}}^1$

素因数の和:9659

約数の個数: 24

約数和(自身を含む): 840840000

約数和(自身を除く): 420690172

約数列:

[1, 2, 4, 7, 14, 28, 1949, 3898, 7699, 7796, 13643, 15398, 27286, 30796, 53893, 54572, 107786, 215572, 15005351, 30010702, 60021404, 105037457, 210074914, 420149828]

約数ペア:

[(1, 420149828), (2, 210074914), (4, 105037457), (7, 60021404), (14, 30010702), (28, 15005351), (1949, 215572), (3898, 107786), (7699, 54572), (7796, 53893), (13643, 30796), (15398, 27286)]