520025380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{100391}}^1$

素因数の和:100444

約数の個数: 48

約数和(自身を含む): 1281805056

約数和(自身を除く): 761779676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 100391, 200782, 401564, 501955, 702737, 1003910, 1405474, 2007820, 2810948, 3513685, 3714467, 7027370, 7428934, 14054740, 14857868, 18572335, 26001269, 37144670, 52002538, 74289340, 104005076, 130006345, 260012690, 520025380]

約数ペア:

[(1, 520025380), (2, 260012690), (4, 130006345), (5, 104005076), (7, 74289340), (10, 52002538), (14, 37144670), (20, 26001269), (28, 18572335), (35, 14857868), (37, 14054740), (70, 7428934), (74, 7027370), (140, 3714467), (148, 3513685), (185, 2810948), (259, 2007820), (370, 1405474), (518, 1003910), (740, 702737), (1036, 501955), (1295, 401564), (2590, 200782), (5180, 100391)]