55421200

素因数分解:

$2^4\times 5^2\times {\mathrm{349}}^1\times {\mathrm{397}}^1$

素因数の和:764

約数の個数: 60

約数和(自身を含む): 133867300

約数和(自身を除く): 78446100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 349, 397, 400, 698, 794, 1396, 1588, 1745, 1985, 2792, 3176, 3490, 3970, 5584, 6352, 6980, 7940, 8725, 9925, 13960, 15880, 17450, 19850, 27920, 31760, 34900, 39700, 69800, 79400, 138553, 139600, 158800, 277106, 554212, 692765, 1108424, 1385530, 2216848, 2771060, 3463825, 5542120, 6927650, 11084240, 13855300, 27710600, 55421200]

約数ペア:

[(1, 55421200), (2, 27710600), (4, 13855300), (5, 11084240), (8, 6927650), (10, 5542120), (16, 3463825), (20, 2771060), (25, 2216848), (40, 1385530), (50, 1108424), (80, 692765), (100, 554212), (200, 277106), (349, 158800), (397, 139600), (400, 138553), (698, 79400), (794, 69800), (1396, 39700), (1588, 34900), (1745, 31760), (1985, 27920), (2792, 19850), (3176, 17450), (3490, 15880), (3970, 13960), (5584, 9925), (6352, 8725), (6980, 7940)]