1990100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{2843}}^1$

素因数の和:2864

約数の個数: 36

約数和(自身を含む): 4937184

約数和(自身を除く): 2947084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 2843, 5686, 11372, 14215, 19901, 28430, 39802, 56860, 71075, 79604, 99505, 142150, 199010, 284300, 398020, 497525, 995050, 1990100]

約数ペア:

[(1, 1990100), (2, 995050), (4, 497525), (5, 398020), (7, 284300), (10, 199010), (14, 142150), (20, 99505), (25, 79604), (28, 71075), (35, 56860), (50, 39802), (70, 28430), (100, 19901), (140, 14215), (175, 11372), (350, 5686), (700, 2843)]