7781600

素因数分解:

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

素因数の和:228

約数の個数: 72

約数和(自身を含む): 19405008

約数和(自身を除く): 11623408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 71, 80, 100, 137, 142, 160, 200, 274, 284, 355, 400, 548, 568, 685, 710, 800, 1096, 1136, 1370, 1420, 1775, 2192, 2272, 2740, 2840, 3425, 3550, 4384, 5480, 5680, 6850, 7100, 9727, 10960, 11360, 13700, 14200, 19454, 21920, 27400, 28400, 38908, 48635, 54800, 56800, 77816, 97270, 109600, 155632, 194540, 243175, 311264, 389080, 486350, 778160, 972700, 1556320, 1945400, 3890800, 7781600]

約数ペア:

[(1, 7781600), (2, 3890800), (4, 1945400), (5, 1556320), (8, 972700), (10, 778160), (16, 486350), (20, 389080), (25, 311264), (32, 243175), (40, 194540), (50, 155632), (71, 109600), (80, 97270), (100, 77816), (137, 56800), (142, 54800), (160, 48635), (200, 38908), (274, 28400), (284, 27400), (355, 21920), (400, 19454), (548, 14200), (568, 13700), (685, 11360), (710, 10960), (800, 9727), (1096, 7100), (1136, 6850), (1370, 5680), (1420, 5480), (1775, 4384), (2192, 3550), (2272, 3425), (2740, 2840)]