1380821740

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{463363}}^1$

素因数の和:463521

約数の個数: 24

約数和(自身を含む): 2919193200

約数和(自身を除く): 1538371460

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 463363, 926726, 1853452, 2316815, 4633630, 9267260, 69041087, 138082174, 276164348, 345205435, 690410870, 1380821740]

約数ペア:

[(1, 1380821740), (2, 690410870), (4, 345205435), (5, 276164348), (10, 138082174), (20, 69041087), (149, 9267260), (298, 4633630), (596, 2316815), (745, 1853452), (1490, 926726), (2980, 463363)]