2018980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^2$

素因数の和:156

約数の個数: 36

約数和(自身を含む): 4461660

約数和(自身を除く): 2442680

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 59, 116, 118, 145, 236, 290, 295, 580, 590, 1180, 1711, 3422, 3481, 6844, 6962, 8555, 13924, 17110, 17405, 34220, 34810, 69620, 100949, 201898, 403796, 504745, 1009490, 2018980]

約数ペア:

[(1, 2018980), (2, 1009490), (4, 504745), (5, 403796), (10, 201898), (20, 100949), (29, 69620), (58, 34810), (59, 34220), (116, 17405), (118, 17110), (145, 13924), (236, 8555), (290, 6962), (295, 6844), (580, 3481), (590, 3422), (1180, 1711)]