2857660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 6703200

約数和(自身を除く): 3845540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 379, 580, 754, 758, 1508, 1516, 1885, 1895, 3770, 3790, 4927, 7540, 7580, 9854, 10991, 19708, 21982, 24635, 43964, 49270, 54955, 98540, 109910, 142883, 219820, 285766, 571532, 714415, 1428830, 2857660]

約数ペア:

[(1, 2857660), (2, 1428830), (4, 714415), (5, 571532), (10, 285766), (13, 219820), (20, 142883), (26, 109910), (29, 98540), (52, 54955), (58, 49270), (65, 43964), (116, 24635), (130, 21982), (145, 19708), (260, 10991), (290, 9854), (377, 7580), (379, 7540), (580, 4927), (754, 3790), (758, 3770), (1508, 1895), (1516, 1885)]