2826740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 6916224

約数和(自身を除く): 4089484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 331, 427, 610, 662, 854, 1220, 1324, 1655, 1708, 2135, 2317, 3310, 4270, 4634, 6620, 8540, 9268, 11585, 20191, 23170, 40382, 46340, 80764, 100955, 141337, 201910, 282674, 403820, 565348, 706685, 1413370, 2826740]

約数ペア:

[(1, 2826740), (2, 1413370), (4, 706685), (5, 565348), (7, 403820), (10, 282674), (14, 201910), (20, 141337), (28, 100955), (35, 80764), (61, 46340), (70, 40382), (122, 23170), (140, 20191), (244, 11585), (305, 9268), (331, 8540), (427, 6620), (610, 4634), (662, 4270), (854, 3310), (1220, 2317), (1324, 2135), (1655, 1708)]