120642800

素因数分解:

$2^4\times 5^2\times {\mathrm{197}}^1\times {\mathrm{1531}}^1$

素因数の和:1746

約数の個数: 60

約数和(自身を含む): 291505896

約数和(自身を除く): 170863096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 197, 200, 394, 400, 788, 985, 1531, 1576, 1970, 3062, 3152, 3940, 4925, 6124, 7655, 7880, 9850, 12248, 15310, 15760, 19700, 24496, 30620, 38275, 39400, 61240, 76550, 78800, 122480, 153100, 301607, 306200, 603214, 612400, 1206428, 1508035, 2412856, 3016070, 4825712, 6032140, 7540175, 12064280, 15080350, 24128560, 30160700, 60321400, 120642800]

約数ペア:

[(1, 120642800), (2, 60321400), (4, 30160700), (5, 24128560), (8, 15080350), (10, 12064280), (16, 7540175), (20, 6032140), (25, 4825712), (40, 3016070), (50, 2412856), (80, 1508035), (100, 1206428), (197, 612400), (200, 603214), (394, 306200), (400, 301607), (788, 153100), (985, 122480), (1531, 78800), (1576, 76550), (1970, 61240), (3062, 39400), (3152, 38275), (3940, 30620), (4925, 24496), (6124, 19700), (7655, 15760), (7880, 15310), (9850, 12248)]