3992180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 8902656

約数和(自身を除く): 4910476

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 137, 155, 188, 235, 274, 310, 470, 548, 620, 685, 940, 1370, 1457, 2740, 2914, 4247, 5828, 6439, 7285, 8494, 12878, 14570, 16988, 21235, 25756, 29140, 32195, 42470, 64390, 84940, 128780, 199609, 399218, 798436, 998045, 1996090, 3992180]

約数ペア:

[(1, 3992180), (2, 1996090), (4, 998045), (5, 798436), (10, 399218), (20, 199609), (31, 128780), (47, 84940), (62, 64390), (94, 42470), (124, 32195), (137, 29140), (155, 25756), (188, 21235), (235, 16988), (274, 14570), (310, 12878), (470, 8494), (548, 7285), (620, 6439), (685, 5828), (940, 4247), (1370, 2914), (1457, 2740)]