78921800

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{6469}}^1$

素因数の和:6546

約数の個数: 48

約数和(自身を含む): 186530100

約数和(自身を除く): 107608300

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 488, 610, 1220, 1525, 2440, 3050, 6100, 6469, 12200, 12938, 25876, 32345, 51752, 64690, 129380, 161725, 258760, 323450, 394609, 646900, 789218, 1293800, 1578436, 1973045, 3156872, 3946090, 7892180, 9865225, 15784360, 19730450, 39460900, 78921800]

約数ペア:

[(1, 78921800), (2, 39460900), (4, 19730450), (5, 15784360), (8, 9865225), (10, 7892180), (20, 3946090), (25, 3156872), (40, 1973045), (50, 1578436), (61, 1293800), (100, 789218), (122, 646900), (200, 394609), (244, 323450), (305, 258760), (488, 161725), (610, 129380), (1220, 64690), (1525, 51752), (2440, 32345), (3050, 25876), (6100, 12938), (6469, 12200)]