247218800

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{19937}}^1$

素因数の和:19986

約数の個数: 60

約数和(自身を含む): 613133376

約数和(自身を除く): 365914576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1550, 2480, 3100, 6200, 12400, 19937, 39874, 79748, 99685, 159496, 199370, 318992, 398740, 498425, 618047, 797480, 996850, 1236094, 1594960, 1993700, 2472188, 3090235, 3987400, 4944376, 6180470, 7974800, 9888752, 12360940, 15451175, 24721880, 30902350, 49443760, 61804700, 123609400, 247218800]

約数ペア:

[(1, 247218800), (2, 123609400), (4, 61804700), (5, 49443760), (8, 30902350), (10, 24721880), (16, 15451175), (20, 12360940), (25, 9888752), (31, 7974800), (40, 6180470), (50, 4944376), (62, 3987400), (80, 3090235), (100, 2472188), (124, 1993700), (155, 1594960), (200, 1236094), (248, 996850), (310, 797480), (400, 618047), (496, 498425), (620, 398740), (775, 318992), (1240, 199370), (1550, 159496), (2480, 99685), (3100, 79748), (6200, 39874), (12400, 19937)]