398055140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{28151}}^1$

素因数の和:28268

約数の個数: 48

約数和(自身を含む): 964825344

約数和(自身を除く): 566770204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 2020, 2828, 3535, 7070, 14140, 28151, 56302, 112604, 140755, 197057, 281510, 394114, 563020, 788228, 985285, 1970570, 2843251, 3941140, 5686502, 11373004, 14216255, 19902757, 28432510, 39805514, 56865020, 79611028, 99513785, 199027570, 398055140]

約数ペア:

[(1, 398055140), (2, 199027570), (4, 99513785), (5, 79611028), (7, 56865020), (10, 39805514), (14, 28432510), (20, 19902757), (28, 14216255), (35, 11373004), (70, 5686502), (101, 3941140), (140, 2843251), (202, 1970570), (404, 985285), (505, 788228), (707, 563020), (1010, 394114), (1414, 281510), (2020, 197057), (2828, 140755), (3535, 112604), (7070, 56302), (14140, 28151)]