231639380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1654567}}^1$

素因数の和:1654583

約数の個数: 24

約数和(自身を含む): 555934848

約数和(自身を除く): 324295468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1654567, 3309134, 6618268, 8272835, 11581969, 16545670, 23163938, 33091340, 46327876, 57909845, 115819690, 231639380]

約数ペア:

[(1, 231639380), (2, 115819690), (4, 57909845), (5, 46327876), (7, 33091340), (10, 23163938), (14, 16545670), (20, 11581969), (28, 8272835), (35, 6618268), (70, 3309134), (140, 1654567)]