2001196820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{840839}}^1$

素因数の和:840872

約数の個数: 48

約数和(自身を含む): 5085400320

約数和(自身を除く): 3084203500

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 840839, 1681678, 3363356, 4204195, 5885873, 8408390, 11771746, 14294263, 16816780, 23543492, 28588526, 29429365, 57177052, 58858730, 71471315, 100059841, 117717460, 142942630, 200119682, 285885260, 400239364, 500299205, 1000598410, 2001196820]

約数ペア:

[(1, 2001196820), (2, 1000598410), (4, 500299205), (5, 400239364), (7, 285885260), (10, 200119682), (14, 142942630), (17, 117717460), (20, 100059841), (28, 71471315), (34, 58858730), (35, 57177052), (68, 29429365), (70, 28588526), (85, 23543492), (119, 16816780), (140, 14294263), (170, 11771746), (238, 8408390), (340, 5885873), (476, 4204195), (595, 3363356), (1190, 1681678), (2380, 840839)]