57972920

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:368

約数の個数: 64

約数和(自身を含む): 134136000

約数和(自身を除く): 76163080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 137, 142, 149, 274, 284, 298, 355, 548, 568, 596, 685, 710, 745, 1096, 1192, 1370, 1420, 1490, 2740, 2840, 2980, 5480, 5960, 9727, 10579, 19454, 20413, 21158, 38908, 40826, 42316, 48635, 52895, 77816, 81652, 84632, 97270, 102065, 105790, 163304, 194540, 204130, 211580, 389080, 408260, 423160, 816520, 1449323, 2898646, 5797292, 7246615, 11594584, 14493230, 28986460, 57972920]

約数ペア:

[(1, 57972920), (2, 28986460), (4, 14493230), (5, 11594584), (8, 7246615), (10, 5797292), (20, 2898646), (40, 1449323), (71, 816520), (137, 423160), (142, 408260), (149, 389080), (274, 211580), (284, 204130), (298, 194540), (355, 163304), (548, 105790), (568, 102065), (596, 97270), (685, 84632), (710, 81652), (745, 77816), (1096, 52895), (1192, 48635), (1370, 42316), (1420, 40826), (1490, 38908), (2740, 21158), (2840, 20413), (2980, 19454), (5480, 10579), (5960, 9727)]