7819540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 17418240

約数和(自身を除く): 9598700

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 89, 92, 115, 178, 191, 230, 356, 382, 445, 460, 764, 890, 955, 1780, 1910, 2047, 3820, 4094, 4393, 8188, 8786, 10235, 16999, 17572, 20470, 21965, 33998, 40940, 43930, 67996, 84995, 87860, 169990, 339980, 390977, 781954, 1563908, 1954885, 3909770, 7819540]

約数ペア:

[(1, 7819540), (2, 3909770), (4, 1954885), (5, 1563908), (10, 781954), (20, 390977), (23, 339980), (46, 169990), (89, 87860), (92, 84995), (115, 67996), (178, 43930), (191, 40940), (230, 33998), (356, 21965), (382, 20470), (445, 17572), (460, 16999), (764, 10235), (890, 8786), (955, 8188), (1780, 4393), (1910, 4094), (2047, 3820)]