72809380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{520067}}^1$

素因数の和:520083

約数の個数: 24

約数和(自身を含む): 174742848

約数和(自身を除く): 101933468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 520067, 1040134, 2080268, 2600335, 3640469, 5200670, 7280938, 10401340, 14561876, 18202345, 36404690, 72809380]

約数ペア:

[(1, 72809380), (2, 36404690), (4, 18202345), (5, 14561876), (7, 10401340), (10, 7280938), (14, 5200670), (20, 3640469), (28, 2600335), (35, 2080268), (70, 1040134), (140, 520067)]