11989740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{28547}}^1$

素因数の和:28566

約数の個数: 48

約数和(自身を含む): 38368512

約数和(自身を除く): 26378772

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 28547, 57094, 85641, 114188, 142735, 171282, 199829, 285470, 342564, 399658, 428205, 570940, 599487, 799316, 856410, 999145, 1198974, 1712820, 1998290, 2397948, 2997435, 3996580, 5994870, 11989740]

約数ペア:

[(1, 11989740), (2, 5994870), (3, 3996580), (4, 2997435), (5, 2397948), (6, 1998290), (7, 1712820), (10, 1198974), (12, 999145), (14, 856410), (15, 799316), (20, 599487), (21, 570940), (28, 428205), (30, 399658), (35, 342564), (42, 285470), (60, 199829), (70, 171282), (84, 142735), (105, 114188), (140, 85641), (210, 57094), (420, 28547)]