140397320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{501419}}^1$

素因数の和:501437

約数の個数: 32

約数和(自身を含む): 361022400

約数和(自身を除く): 220625080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 501419, 1002838, 2005676, 2507095, 3509933, 4011352, 5014190, 7019866, 10028380, 14039732, 17549665, 20056760, 28079464, 35099330, 70198660, 140397320]

約数ペア:

[(1, 140397320), (2, 70198660), (4, 35099330), (5, 28079464), (7, 20056760), (8, 17549665), (10, 14039732), (14, 10028380), (20, 7019866), (28, 5014190), (35, 4011352), (40, 3509933), (56, 2507095), (70, 2005676), (140, 1002838), (280, 501419)]