38644340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{839}}^1$

素因数の和:909

約数の個数: 72

約数和(自身を含む): 96526080

約数和(自身を除く): 57881740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 235, 245, 329, 470, 490, 658, 839, 940, 980, 1316, 1645, 1678, 2303, 3290, 3356, 4195, 4606, 5873, 6580, 8390, 9212, 11515, 11746, 16780, 23030, 23492, 29365, 39433, 41111, 46060, 58730, 78866, 82222, 117460, 157732, 164444, 197165, 205555, 276031, 394330, 411110, 552062, 788660, 822220, 1104124, 1380155, 1932217, 2760310, 3864434, 5520620, 7728868, 9661085, 19322170, 38644340]

約数ペア:

[(1, 38644340), (2, 19322170), (4, 9661085), (5, 7728868), (7, 5520620), (10, 3864434), (14, 2760310), (20, 1932217), (28, 1380155), (35, 1104124), (47, 822220), (49, 788660), (70, 552062), (94, 411110), (98, 394330), (140, 276031), (188, 205555), (196, 197165), (235, 164444), (245, 157732), (329, 117460), (470, 82222), (490, 78866), (658, 58730), (839, 46060), (940, 41111), (980, 39433), (1316, 29365), (1645, 23492), (1678, 23030), (2303, 16780), (3290, 11746), (3356, 11515), (4195, 9212), (4606, 8390), (5873, 6580)]