90966500

素因数分解:

$2^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{4231}}^1$

素因数の和:4293

約数の個数: 48

約数和(自身を含む): 203339136

約数和(自身を除く): 112372636

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 125, 172, 215, 250, 430, 500, 860, 1075, 2150, 4231, 4300, 5375, 8462, 10750, 16924, 21155, 21500, 42310, 84620, 105775, 181933, 211550, 363866, 423100, 528875, 727732, 909665, 1057750, 1819330, 2115500, 3638660, 4548325, 9096650, 18193300, 22741625, 45483250, 90966500]

約数ペア:

[(1, 90966500), (2, 45483250), (4, 22741625), (5, 18193300), (10, 9096650), (20, 4548325), (25, 3638660), (43, 2115500), (50, 1819330), (86, 1057750), (100, 909665), (125, 727732), (172, 528875), (215, 423100), (250, 363866), (430, 211550), (500, 181933), (860, 105775), (1075, 84620), (2150, 42310), (4231, 21500), (4300, 21155), (5375, 16924), (8462, 10750)]