618809380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4420067}}^1$

素因数の和:4420083

約数の個数: 24

約数和(自身を含む): 1485142848

約数和(自身を除く): 866333468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4420067, 8840134, 17680268, 22100335, 30940469, 44200670, 61880938, 88401340, 123761876, 154702345, 309404690, 618809380]

約数ペア:

[(1, 618809380), (2, 309404690), (4, 154702345), (5, 123761876), (7, 88401340), (10, 61880938), (14, 44200670), (20, 30940469), (28, 22100335), (35, 17680268), (70, 8840134), (140, 4420067)]