2009097580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{8537}}^1$

素因数の和:8635

約数の個数: 72

約数和(自身を含む): 4942887264

約数和(自身を除く): 2933789684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 1681, 2870, 3362, 5740, 6724, 8405, 8537, 11767, 16810, 17074, 23534, 33620, 34148, 42685, 47068, 58835, 59759, 85370, 117670, 119518, 170740, 235340, 239036, 298795, 350017, 597590, 700034, 1195180, 1400068, 1750085, 2450119, 3500170, 4900238, 7000340, 9800476, 12250595, 14350697, 24501190, 28701394, 49002380, 57402788, 71753485, 100454879, 143506970, 200909758, 287013940, 401819516, 502274395, 1004548790, 2009097580]

約数ペア:

[(1, 2009097580), (2, 1004548790), (4, 502274395), (5, 401819516), (7, 287013940), (10, 200909758), (14, 143506970), (20, 100454879), (28, 71753485), (35, 57402788), (41, 49002380), (70, 28701394), (82, 24501190), (140, 14350697), (164, 12250595), (205, 9800476), (287, 7000340), (410, 4900238), (574, 3500170), (820, 2450119), (1148, 1750085), (1435, 1400068), (1681, 1195180), (2870, 700034), (3362, 597590), (5740, 350017), (6724, 298795), (8405, 239036), (8537, 235340), (11767, 170740), (16810, 119518), (17074, 117670), (23534, 85370), (33620, 59759), (34148, 58835), (42685, 47068)]