187788004540

素因数分解:

$2^2\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{6305843}}^1$

素因数の和:6307341

約数の個数: 24

約数和(自身を含む): 394619717520

約数和(自身を除く): 206831712980

約数列:

[1, 2, 4, 5, 10, 20, 1489, 2978, 5956, 7445, 14890, 29780, 6305843, 12611686, 25223372, 31529215, 63058430, 126116860, 9389400227, 18778800454, 37557600908, 46947001135, 93894002270, 187788004540]

約数ペア:

[(1, 187788004540), (2, 93894002270), (4, 46947001135), (5, 37557600908), (10, 18778800454), (20, 9389400227), (1489, 126116860), (2978, 63058430), (5956, 31529215), (7445, 25223372), (14890, 12611686), (29780, 6305843)]