2018337500

素因数分解:

$2^2\times 5^5\times {\mathrm{61}}^1\times {\mathrm{2647}}^1$

素因数の和:2737

約数の個数: 72

約数和(自身を含む): 4488900192

約数和(自身を除く): 2470562692

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 125, 244, 250, 305, 500, 610, 625, 1220, 1250, 1525, 2500, 2647, 3050, 3125, 5294, 6100, 6250, 7625, 10588, 12500, 13235, 15250, 26470, 30500, 38125, 52940, 66175, 76250, 132350, 152500, 161467, 190625, 264700, 322934, 330875, 381250, 645868, 661750, 762500, 807335, 1323500, 1614670, 1654375, 3229340, 3308750, 4036675, 6617500, 8073350, 8271875, 16146700, 16543750, 20183375, 33087500, 40366750, 80733500, 100916875, 201833750, 403667500, 504584375, 1009168750, 2018337500]

約数ペア:

[(1, 2018337500), (2, 1009168750), (4, 504584375), (5, 403667500), (10, 201833750), (20, 100916875), (25, 80733500), (50, 40366750), (61, 33087500), (100, 20183375), (122, 16543750), (125, 16146700), (244, 8271875), (250, 8073350), (305, 6617500), (500, 4036675), (610, 3308750), (625, 3229340), (1220, 1654375), (1250, 1614670), (1525, 1323500), (2500, 807335), (2647, 762500), (3050, 661750), (3125, 645868), (5294, 381250), (6100, 330875), (6250, 322934), (7625, 264700), (10588, 190625), (12500, 161467), (13235, 152500), (15250, 132350), (26470, 76250), (30500, 66175), (38125, 52940)]