199204960

素因数分解:

$2^5\times 5^1\times {\mathrm{353}}^1\times {\mathrm{3527}}^1$

素因数の和:3895

約数の個数: 48

約数和(自身を含む): 472088736

約数和(自身を除く): 272883776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 353, 706, 1412, 1765, 2824, 3527, 3530, 5648, 7054, 7060, 11296, 14108, 14120, 17635, 28216, 28240, 35270, 56432, 56480, 70540, 112864, 141080, 282160, 564320, 1245031, 2490062, 4980124, 6225155, 9960248, 12450310, 19920496, 24900620, 39840992, 49801240, 99602480, 199204960]

約数ペア:

[(1, 199204960), (2, 99602480), (4, 49801240), (5, 39840992), (8, 24900620), (10, 19920496), (16, 12450310), (20, 9960248), (32, 6225155), (40, 4980124), (80, 2490062), (160, 1245031), (353, 564320), (706, 282160), (1412, 141080), (1765, 112864), (2824, 70540), (3527, 56480), (3530, 56432), (5648, 35270), (7054, 28240), (7060, 28216), (11296, 17635), (14108, 14120)]