131328260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{938059}}^1$

素因数の和:938075

約数の個数: 24

約数和(自身を含む): 315188160

約数和(自身を除く): 183859900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 938059, 1876118, 3752236, 4690295, 6566413, 9380590, 13132826, 18761180, 26265652, 32832065, 65664130, 131328260]

約数ペア:

[(1, 131328260), (2, 65664130), (4, 32832065), (5, 26265652), (7, 18761180), (10, 13132826), (14, 9380590), (20, 6566413), (28, 4690295), (35, 3752236), (70, 1876118), (140, 938059)]