131602820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{733}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 284110848

約数和(自身を除く): 152508028

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 191, 235, 382, 470, 733, 764, 940, 955, 1466, 1910, 2932, 3665, 3820, 7330, 8977, 14660, 17954, 34451, 35908, 44885, 68902, 89770, 137804, 140003, 172255, 179540, 280006, 344510, 560012, 689020, 700015, 1400030, 2800060, 6580141, 13160282, 26320564, 32900705, 65801410, 131602820]

約数ペア:

[(1, 131602820), (2, 65801410), (4, 32900705), (5, 26320564), (10, 13160282), (20, 6580141), (47, 2800060), (94, 1400030), (188, 700015), (191, 689020), (235, 560012), (382, 344510), (470, 280006), (733, 179540), (764, 172255), (940, 140003), (955, 137804), (1466, 89770), (1910, 68902), (2932, 44885), (3665, 35908), (3820, 34451), (7330, 17954), (8977, 14660)]