2017141390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{18731}}^1$

素因数の和:18849

約数の個数: 48

約数和(自身を含む): 4035996720

約数和(自身を除く): 2018855330

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 121, 178, 242, 445, 605, 890, 979, 1210, 1958, 4895, 9790, 10769, 18731, 21538, 37462, 53845, 93655, 107690, 187310, 206041, 412082, 1030205, 1667059, 2060410, 2266451, 3334118, 4532902, 8335295, 11332255, 16670590, 18337649, 22664510, 36675298, 91688245, 183376490, 201714139, 403428278, 1008570695, 2017141390]

約数ペア:

[(1, 2017141390), (2, 1008570695), (5, 403428278), (10, 201714139), (11, 183376490), (22, 91688245), (55, 36675298), (89, 22664510), (110, 18337649), (121, 16670590), (178, 11332255), (242, 8335295), (445, 4532902), (605, 3334118), (890, 2266451), (979, 2060410), (1210, 1667059), (1958, 1030205), (4895, 412082), (9790, 206041), (10769, 187310), (18731, 107690), (21538, 93655), (37462, 53845)]