207976520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{937}}^1$

素因数の和:1158

約数の個数: 64

約数和(自身を含む): 486259200

約数和(自身を除く): 278282680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 179, 248, 310, 358, 620, 716, 895, 937, 1240, 1432, 1790, 1874, 3580, 3748, 4685, 5549, 7160, 7496, 9370, 11098, 18740, 22196, 27745, 29047, 37480, 44392, 55490, 58094, 110980, 116188, 145235, 167723, 221960, 232376, 290470, 335446, 580940, 670892, 838615, 1161880, 1341784, 1677230, 3354460, 5199413, 6708920, 10398826, 20797652, 25997065, 41595304, 51994130, 103988260, 207976520]

約数ペア:

[(1, 207976520), (2, 103988260), (4, 51994130), (5, 41595304), (8, 25997065), (10, 20797652), (20, 10398826), (31, 6708920), (40, 5199413), (62, 3354460), (124, 1677230), (155, 1341784), (179, 1161880), (248, 838615), (310, 670892), (358, 580940), (620, 335446), (716, 290470), (895, 232376), (937, 221960), (1240, 167723), (1432, 145235), (1790, 116188), (1874, 110980), (3580, 58094), (3748, 55490), (4685, 44392), (5549, 37480), (7160, 29047), (7496, 27745), (9370, 22196), (11098, 18740)]