1945400

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 4620240

約数和(自身を除く): 2674840

約数列:

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

約数ペア:

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