7824740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5081}}^1$

素因数の和:5108

約数の個数: 48

約数和(自身を含む): 20490624

約数和(自身を除く): 12665884

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 5081, 10162, 20324, 25405, 35567, 50810, 55891, 71134, 101620, 111782, 142268, 177835, 223564, 279455, 355670, 391237, 558910, 711340, 782474, 1117820, 1564948, 1956185, 3912370, 7824740]

約数ペア:

[(1, 7824740), (2, 3912370), (4, 1956185), (5, 1564948), (7, 1117820), (10, 782474), (11, 711340), (14, 558910), (20, 391237), (22, 355670), (28, 279455), (35, 223564), (44, 177835), (55, 142268), (70, 111782), (77, 101620), (110, 71134), (140, 55891), (154, 50810), (220, 35567), (308, 25405), (385, 20324), (770, 10162), (1540, 5081)]