3890800

素因数分解:

$2^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:226

約数の個数: 60

約数和(自身を含む): 9548496

約数和(自身を除く): 5657696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 137, 142, 200, 274, 284, 355, 400, 548, 568, 685, 710, 1096, 1136, 1370, 1420, 1775, 2192, 2740, 2840, 3425, 3550, 5480, 5680, 6850, 7100, 9727, 10960, 13700, 14200, 19454, 27400, 28400, 38908, 48635, 54800, 77816, 97270, 155632, 194540, 243175, 389080, 486350, 778160, 972700, 1945400, 3890800]

約数ペア:

[(1, 3890800), (2, 1945400), (4, 972700), (5, 778160), (8, 486350), (10, 389080), (16, 243175), (20, 194540), (25, 155632), (40, 97270), (50, 77816), (71, 54800), (80, 48635), (100, 38908), (137, 28400), (142, 27400), (200, 19454), (274, 14200), (284, 13700), (355, 10960), (400, 9727), (548, 7100), (568, 6850), (685, 5680), (710, 5480), (1096, 3550), (1136, 3425), (1370, 2840), (1420, 2740), (1775, 2192)]