139570760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{498467}}^1$

素因数の和:498485

約数の個数: 32

約数和(自身を含む): 358896960

約数和(自身を除く): 219326200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 498467, 996934, 1993868, 2492335, 3489269, 3987736, 4984670, 6978538, 9969340, 13957076, 17446345, 19938680, 27914152, 34892690, 69785380, 139570760]

約数ペア:

[(1, 139570760), (2, 69785380), (4, 34892690), (5, 27914152), (7, 19938680), (8, 17446345), (10, 13957076), (14, 9969340), (20, 6978538), (28, 4984670), (35, 3987736), (40, 3489269), (56, 2492335), (70, 1993868), (140, 996934), (280, 498467)]