312191380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{2551}}^1$

素因数の和:2800

約数の個数: 48

約数和(自身を含む): 681690240

約数和(自身を除く): 369498860

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 211, 290, 422, 580, 844, 1055, 2110, 2551, 4220, 5102, 6119, 10204, 12238, 12755, 24476, 25510, 30595, 51020, 61190, 73979, 122380, 147958, 295916, 369895, 538261, 739790, 1076522, 1479580, 2153044, 2691305, 5382610, 10765220, 15609569, 31219138, 62438276, 78047845, 156095690, 312191380]

約数ペア:

[(1, 312191380), (2, 156095690), (4, 78047845), (5, 62438276), (10, 31219138), (20, 15609569), (29, 10765220), (58, 5382610), (116, 2691305), (145, 2153044), (211, 1479580), (290, 1076522), (422, 739790), (580, 538261), (844, 369895), (1055, 295916), (2110, 147958), (2551, 122380), (4220, 73979), (5102, 61190), (6119, 51020), (10204, 30595), (12238, 25510), (12755, 24476)]