863219540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{41621}}^1$

素因数の和:41708

約数の個数: 48

約数和(自身を含む): 1950906384

約数和(自身を除く): 1087686844

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 610, 1037, 1220, 2074, 4148, 5185, 10370, 20740, 41621, 83242, 166484, 208105, 416210, 707557, 832420, 1415114, 2538881, 2830228, 3537785, 5077762, 7075570, 10155524, 12694405, 14151140, 25388810, 43160977, 50777620, 86321954, 172643908, 215804885, 431609770, 863219540]

約数ペア:

[(1, 863219540), (2, 431609770), (4, 215804885), (5, 172643908), (10, 86321954), (17, 50777620), (20, 43160977), (34, 25388810), (61, 14151140), (68, 12694405), (85, 10155524), (122, 7075570), (170, 5077762), (244, 3537785), (305, 2830228), (340, 2538881), (610, 1415114), (1037, 832420), (1220, 707557), (2074, 416210), (4148, 208105), (5185, 166484), (10370, 83242), (20740, 41621)]