281850520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1006609}}^1$

素因数の和:1006627

約数の個数: 32

約数和(自身を含む): 724759200

約数和(自身を除く): 442908680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1006609, 2013218, 4026436, 5033045, 7046263, 8052872, 10066090, 14092526, 20132180, 28185052, 35231315, 40264360, 56370104, 70462630, 140925260, 281850520]

約数ペア:

[(1, 281850520), (2, 140925260), (4, 70462630), (5, 56370104), (7, 40264360), (8, 35231315), (10, 28185052), (14, 20132180), (20, 14092526), (28, 10066090), (35, 8052872), (40, 7046263), (56, 5033045), (70, 4026436), (140, 2013218), (280, 1006609)]