320427580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{9277}}^1$

素因数の和:9454

約数の個数: 48

約数和(自身を含む): 738825696

約数和(自身を除く): 418398116

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 220, 314, 628, 785, 1570, 1727, 3140, 3454, 6908, 8635, 9277, 17270, 18554, 34540, 37108, 46385, 92770, 102047, 185540, 204094, 408188, 510235, 1020470, 1456489, 2040940, 2912978, 5825956, 7282445, 14564890, 16021379, 29129780, 32042758, 64085516, 80106895, 160213790, 320427580]

約数ペア:

[(1, 320427580), (2, 160213790), (4, 80106895), (5, 64085516), (10, 32042758), (11, 29129780), (20, 16021379), (22, 14564890), (44, 7282445), (55, 5825956), (110, 2912978), (157, 2040940), (220, 1456489), (314, 1020470), (628, 510235), (785, 408188), (1570, 204094), (1727, 185540), (3140, 102047), (3454, 92770), (6908, 46385), (8635, 37108), (9277, 34540), (17270, 18554)]