8494780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1291}}^1$

素因数の和:1354

約数の個数: 48

約数和(自身を含む): 20837376

約数和(自身を除く): 12342596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1291, 1316, 1645, 2582, 3290, 5164, 6455, 6580, 9037, 12910, 18074, 25820, 36148, 45185, 60677, 90370, 121354, 180740, 242708, 303385, 424739, 606770, 849478, 1213540, 1698956, 2123695, 4247390, 8494780]

約数ペア:

[(1, 8494780), (2, 4247390), (4, 2123695), (5, 1698956), (7, 1213540), (10, 849478), (14, 606770), (20, 424739), (28, 303385), (35, 242708), (47, 180740), (70, 121354), (94, 90370), (140, 60677), (188, 45185), (235, 36148), (329, 25820), (470, 18074), (658, 12910), (940, 9037), (1291, 6580), (1316, 6455), (1645, 5164), (2582, 3290)]