87385900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4027}}^1$

素因数の和:4079

約数の個数: 72

約数和(自身を含む): 223763456

約数和(自身を除く): 136377556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 70, 100, 124, 140, 155, 175, 217, 310, 350, 434, 620, 700, 775, 868, 1085, 1550, 2170, 3100, 4027, 4340, 5425, 8054, 10850, 16108, 20135, 21700, 28189, 40270, 56378, 80540, 100675, 112756, 124837, 140945, 201350, 249674, 281890, 402700, 499348, 563780, 624185, 704725, 873859, 1248370, 1409450, 1747718, 2496740, 2818900, 3120925, 3495436, 4369295, 6241850, 8738590, 12483700, 17477180, 21846475, 43692950, 87385900]

約数ペア:

[(1, 87385900), (2, 43692950), (4, 21846475), (5, 17477180), (7, 12483700), (10, 8738590), (14, 6241850), (20, 4369295), (25, 3495436), (28, 3120925), (31, 2818900), (35, 2496740), (50, 1747718), (62, 1409450), (70, 1248370), (100, 873859), (124, 704725), (140, 624185), (155, 563780), (175, 499348), (217, 402700), (310, 281890), (350, 249674), (434, 201350), (620, 140945), (700, 124837), (775, 112756), (868, 100675), (1085, 80540), (1550, 56378), (2170, 40270), (3100, 28189), (4027, 21700), (4340, 20135), (5425, 16108), (8054, 10850)]