124721380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{890867}}^1$

素因数の和:890883

約数の個数: 24

約数和(自身を含む): 299331648

約数和(自身を除く): 174610268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 890867, 1781734, 3563468, 4454335, 6236069, 8908670, 12472138, 17817340, 24944276, 31180345, 62360690, 124721380]

約数ペア:

[(1, 124721380), (2, 62360690), (4, 31180345), (5, 24944276), (7, 17817340), (10, 12472138), (14, 8908670), (20, 6236069), (28, 4454335), (35, 3563468), (70, 1781734), (140, 890867)]