125877320

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{349}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 290304000

約数和(自身を除く): 164426680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 127, 142, 254, 284, 349, 355, 508, 568, 635, 698, 710, 1016, 1270, 1396, 1420, 1745, 2540, 2792, 2840, 3490, 5080, 6980, 9017, 13960, 18034, 24779, 36068, 44323, 45085, 49558, 72136, 88646, 90170, 99116, 123895, 177292, 180340, 198232, 221615, 247790, 354584, 360680, 443230, 495580, 886460, 991160, 1772920, 3146933, 6293866, 12587732, 15734665, 25175464, 31469330, 62938660, 125877320]

約数ペア:

[(1, 125877320), (2, 62938660), (4, 31469330), (5, 25175464), (8, 15734665), (10, 12587732), (20, 6293866), (40, 3146933), (71, 1772920), (127, 991160), (142, 886460), (254, 495580), (284, 443230), (349, 360680), (355, 354584), (508, 247790), (568, 221615), (635, 198232), (698, 180340), (710, 177292), (1016, 123895), (1270, 99116), (1396, 90170), (1420, 88646), (1745, 72136), (2540, 49558), (2792, 45085), (2840, 44323), (3490, 36068), (5080, 24779), (6980, 18034), (9017, 13960)]