240146780

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{123787}}^1$

素因数の和:123893

約数の個数: 24

約数和(自身を含む): 509511408

約数和(自身を除く): 269364628

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 123787, 247574, 495148, 618935, 1237870, 2475740, 12007339, 24014678, 48029356, 60036695, 120073390, 240146780]

約数ペア:

[(1, 240146780), (2, 120073390), (4, 60036695), (5, 48029356), (10, 24014678), (20, 12007339), (97, 2475740), (194, 1237870), (388, 618935), (485, 495148), (970, 247574), (1940, 123787)]