42400390

素因数分解:

$2^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{15307}}^1$

素因数の和:15591

約数の個数: 16

約数和(自身を含む): 76601232

約数和(自身を除く): 34200842

約数列:

[1, 2, 5, 10, 277, 554, 1385, 2770, 15307, 30614, 76535, 153070, 4240039, 8480078, 21200195, 42400390]

約数ペア:

[(1, 42400390), (2, 21200195), (5, 8480078), (10, 4240039), (277, 153070), (554, 76535), (1385, 30614), (2770, 15307)]