57142700

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 129127152

約数和(自身を除く): 71984452

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 97, 100, 137, 172, 194, 215, 274, 388, 430, 485, 548, 685, 860, 970, 1075, 1370, 1940, 2150, 2425, 2740, 3425, 4171, 4300, 4850, 5891, 6850, 8342, 9700, 11782, 13289, 13700, 16684, 20855, 23564, 26578, 29455, 41710, 53156, 58910, 66445, 83420, 104275, 117820, 132890, 147275, 208550, 265780, 294550, 332225, 417100, 571427, 589100, 664450, 1142854, 1328900, 2285708, 2857135, 5714270, 11428540, 14285675, 28571350, 57142700]

約数ペア:

[(1, 57142700), (2, 28571350), (4, 14285675), (5, 11428540), (10, 5714270), (20, 2857135), (25, 2285708), (43, 1328900), (50, 1142854), (86, 664450), (97, 589100), (100, 571427), (137, 417100), (172, 332225), (194, 294550), (215, 265780), (274, 208550), (388, 147275), (430, 132890), (485, 117820), (548, 104275), (685, 83420), (860, 66445), (970, 58910), (1075, 53156), (1370, 41710), (1940, 29455), (2150, 26578), (2425, 23564), (2740, 20855), (3425, 16684), (4171, 13700), (4300, 13289), (4850, 11782), (5891, 9700), (6850, 8342)]