1805740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 4136832

約数和(自身を除く): 2331092

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 113, 170, 188, 226, 235, 340, 452, 470, 565, 799, 940, 1130, 1598, 1921, 2260, 3196, 3842, 3995, 5311, 7684, 7990, 9605, 10622, 15980, 19210, 21244, 26555, 38420, 53110, 90287, 106220, 180574, 361148, 451435, 902870, 1805740]

約数ペア:

[(1, 1805740), (2, 902870), (4, 451435), (5, 361148), (10, 180574), (17, 106220), (20, 90287), (34, 53110), (47, 38420), (68, 26555), (85, 21244), (94, 19210), (113, 15980), (170, 10622), (188, 9605), (226, 7990), (235, 7684), (340, 5311), (452, 3995), (470, 3842), (565, 3196), (799, 2260), (940, 1921), (1130, 1598)]