1996820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{839}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 5080320

約数和(自身を除く): 3083500

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, 839, 1190, 1678, 2380, 3356, 4195, 5873, 8390, 11746, 14263, 16780, 23492, 28526, 29365, 57052, 58730, 71315, 99841, 117460, 142630, 199682, 285260, 399364, 499205, 998410, 1996820]

約数ペア:

[(1, 1996820), (2, 998410), (4, 499205), (5, 399364), (7, 285260), (10, 199682), (14, 142630), (17, 117460), (20, 99841), (28, 71315), (34, 58730), (35, 57052), (68, 29365), (70, 28526), (85, 23492), (119, 16780), (140, 14263), (170, 11746), (238, 8390), (340, 5873), (476, 4195), (595, 3356), (839, 2380), (1190, 1678)]