201022990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{17837}}^1$

素因数の和:17881

約数の個数: 48

約数和(自身を含む): 439242912

約数和(自身を除く): 238219922

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 230, 245, 322, 490, 805, 1127, 1610, 2254, 5635, 11270, 17837, 35674, 89185, 124859, 178370, 249718, 410251, 624295, 820502, 874013, 1248590, 1748026, 2051255, 2871757, 4102510, 4370065, 5743514, 8740130, 14358785, 20102299, 28717570, 40204598, 100511495, 201022990]

約数ペア:

[(1, 201022990), (2, 100511495), (5, 40204598), (7, 28717570), (10, 20102299), (14, 14358785), (23, 8740130), (35, 5743514), (46, 4370065), (49, 4102510), (70, 2871757), (98, 2051255), (115, 1748026), (161, 1248590), (230, 874013), (245, 820502), (322, 624295), (490, 410251), (805, 249718), (1127, 178370), (1610, 124859), (2254, 89185), (5635, 35674), (11270, 17837)]