4247000

素因数分解:

$2^3\times 5^3\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:189

約数の個数: 64

約数和(自身を含む): 10333440

約数和(自身を除く): 6086440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 125, 137, 155, 200, 248, 250, 274, 310, 500, 548, 620, 685, 775, 1000, 1096, 1240, 1370, 1550, 2740, 3100, 3425, 3875, 4247, 5480, 6200, 6850, 7750, 8494, 13700, 15500, 16988, 17125, 21235, 27400, 31000, 33976, 34250, 42470, 68500, 84940, 106175, 137000, 169880, 212350, 424700, 530875, 849400, 1061750, 2123500, 4247000]

約数ペア:

[(1, 4247000), (2, 2123500), (4, 1061750), (5, 849400), (8, 530875), (10, 424700), (20, 212350), (25, 169880), (31, 137000), (40, 106175), (50, 84940), (62, 68500), (100, 42470), (124, 34250), (125, 33976), (137, 31000), (155, 27400), (200, 21235), (248, 17125), (250, 16988), (274, 15500), (310, 13700), (500, 8494), (548, 7750), (620, 6850), (685, 6200), (775, 5480), (1000, 4247), (1096, 3875), (1240, 3425), (1370, 3100), (1550, 2740)]