9138140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{569}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 21258720

約数和(自身を除く): 12120580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 569, 730, 803, 1138, 1460, 1606, 2276, 2845, 3212, 4015, 5690, 6259, 8030, 11380, 12518, 16060, 25036, 31295, 41537, 62590, 83074, 125180, 166148, 207685, 415370, 456907, 830740, 913814, 1827628, 2284535, 4569070, 9138140]

約数ペア:

[(1, 9138140), (2, 4569070), (4, 2284535), (5, 1827628), (10, 913814), (11, 830740), (20, 456907), (22, 415370), (44, 207685), (55, 166148), (73, 125180), (110, 83074), (146, 62590), (220, 41537), (292, 31295), (365, 25036), (569, 16060), (730, 12518), (803, 11380), (1138, 8030), (1460, 6259), (1606, 5690), (2276, 4015), (2845, 3212)]