1335740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:99

約数の個数: 72

約数和(自身を含む): 3447360

約数和(自身を除く): 2111620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 47, 49, 58, 70, 94, 98, 116, 140, 145, 188, 196, 203, 235, 245, 290, 329, 406, 470, 490, 580, 658, 812, 940, 980, 1015, 1316, 1363, 1421, 1645, 2030, 2303, 2726, 2842, 3290, 4060, 4606, 5452, 5684, 6580, 6815, 7105, 9212, 9541, 11515, 13630, 14210, 19082, 23030, 27260, 28420, 38164, 46060, 47705, 66787, 95410, 133574, 190820, 267148, 333935, 667870, 1335740]

約数ペア:

[(1, 1335740), (2, 667870), (4, 333935), (5, 267148), (7, 190820), (10, 133574), (14, 95410), (20, 66787), (28, 47705), (29, 46060), (35, 38164), (47, 28420), (49, 27260), (58, 23030), (70, 19082), (94, 14210), (98, 13630), (116, 11515), (140, 9541), (145, 9212), (188, 7105), (196, 6815), (203, 6580), (235, 5684), (245, 5452), (290, 4606), (329, 4060), (406, 3290), (470, 2842), (490, 2726), (580, 2303), (658, 2030), (812, 1645), (940, 1421), (980, 1363), (1015, 1316)]