29778280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{15193}}^1$

素因数の和:15218

約数の個数: 48

約数和(自身を含む): 77945220

約数和(自身を除く): 48166940

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 15193, 30386, 60772, 75965, 106351, 121544, 151930, 212702, 303860, 425404, 531755, 607720, 744457, 850808, 1063510, 1488914, 2127020, 2977828, 3722285, 4254040, 5955656, 7444570, 14889140, 29778280]

約数ペア:

[(1, 29778280), (2, 14889140), (4, 7444570), (5, 5955656), (7, 4254040), (8, 3722285), (10, 2977828), (14, 2127020), (20, 1488914), (28, 1063510), (35, 850808), (40, 744457), (49, 607720), (56, 531755), (70, 425404), (98, 303860), (140, 212702), (196, 151930), (245, 121544), (280, 106351), (392, 75965), (490, 60772), (980, 30386), (1960, 15193)]