9717740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 21772800

約数和(自身を除く): 12055060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 107, 190, 214, 239, 380, 428, 478, 535, 956, 1070, 1195, 2033, 2140, 2390, 4066, 4541, 4780, 8132, 9082, 10165, 18164, 20330, 22705, 25573, 40660, 45410, 51146, 90820, 102292, 127865, 255730, 485887, 511460, 971774, 1943548, 2429435, 4858870, 9717740]

約数ペア:

[(1, 9717740), (2, 4858870), (4, 2429435), (5, 1943548), (10, 971774), (19, 511460), (20, 485887), (38, 255730), (76, 127865), (95, 102292), (107, 90820), (190, 51146), (214, 45410), (239, 40660), (380, 25573), (428, 22705), (478, 20330), (535, 18164), (956, 10165), (1070, 9082), (1195, 8132), (2033, 4780), (2140, 4541), (2390, 4066)]