873641380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{5087}}^1$

素因数の和:5404

約数の個数: 48

約数和(自身を含む): 1901039616

約数和(自身を除く): 1027398236

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 277, 310, 554, 620, 1108, 1385, 2770, 5087, 5540, 8587, 10174, 17174, 20348, 25435, 34348, 42935, 50870, 85870, 101740, 157697, 171740, 315394, 630788, 788485, 1409099, 1576970, 2818198, 3153940, 5636396, 7045495, 14090990, 28181980, 43682069, 87364138, 174728276, 218410345, 436820690, 873641380]

約数ペア:

[(1, 873641380), (2, 436820690), (4, 218410345), (5, 174728276), (10, 87364138), (20, 43682069), (31, 28181980), (62, 14090990), (124, 7045495), (155, 5636396), (277, 3153940), (310, 2818198), (554, 1576970), (620, 1409099), (1108, 788485), (1385, 630788), (2770, 315394), (5087, 171740), (5540, 157697), (8587, 101740), (10174, 85870), (17174, 50870), (20348, 42935), (25435, 34348)]