51437820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{122471}}^1$

素因数の和:122490

約数の個数: 48

約数和(自身を含む): 164602368

約数和(自身を除く): 113164548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 122471, 244942, 367413, 489884, 612355, 734826, 857297, 1224710, 1469652, 1714594, 1837065, 2449420, 2571891, 3429188, 3674130, 4286485, 5143782, 7348260, 8572970, 10287564, 12859455, 17145940, 25718910, 51437820]

約数ペア:

[(1, 51437820), (2, 25718910), (3, 17145940), (4, 12859455), (5, 10287564), (6, 8572970), (7, 7348260), (10, 5143782), (12, 4286485), (14, 3674130), (15, 3429188), (20, 2571891), (21, 2449420), (28, 1837065), (30, 1714594), (35, 1469652), (42, 1224710), (60, 857297), (70, 734826), (84, 612355), (105, 489884), (140, 367413), (210, 244942), (420, 122471)]