259901320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{25087}}^1$

素因数の和:25142

約数の個数: 64

約数和(自身を含む): 686407680

約数和(自身を除く): 426506360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 5180, 10360, 25087, 50174, 100348, 125435, 175609, 200696, 250870, 351218, 501740, 702436, 878045, 928219, 1003480, 1404872, 1756090, 1856438, 3512180, 3712876, 4641095, 6497533, 7024360, 7425752, 9282190, 12995066, 18564380, 25990132, 32487665, 37128760, 51980264, 64975330, 129950660, 259901320]

約数ペア:

[(1, 259901320), (2, 129950660), (4, 64975330), (5, 51980264), (7, 37128760), (8, 32487665), (10, 25990132), (14, 18564380), (20, 12995066), (28, 9282190), (35, 7425752), (37, 7024360), (40, 6497533), (56, 4641095), (70, 3712876), (74, 3512180), (140, 1856438), (148, 1756090), (185, 1404872), (259, 1003480), (280, 928219), (296, 878045), (370, 702436), (518, 501740), (740, 351218), (1036, 250870), (1295, 200696), (1480, 175609), (2072, 125435), (2590, 100348), (5180, 50174), (10360, 25087)]