138204400

素因数分解:

$2^4\times 5^2\times {\mathrm{345511}}^1$

素因数の和:345529

約数の個数: 30

約数和(自身を含む): 332037032

約数和(自身を除く): 193832632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 345511, 691022, 1382044, 1727555, 2764088, 3455110, 5528176, 6910220, 8637775, 13820440, 17275550, 27640880, 34551100, 69102200, 138204400]

約数ペア:

[(1, 138204400), (2, 69102200), (4, 34551100), (5, 27640880), (8, 17275550), (10, 13820440), (16, 8637775), (20, 6910220), (25, 5528176), (40, 3455110), (50, 2764088), (80, 1727555), (100, 1382044), (200, 691022), (400, 345511)]