2001650

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:88

約数の個数: 72

約数和(自身を含む): 4664880

約数和(自身を除く): 2663230

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 43, 49, 50, 70, 86, 95, 98, 133, 175, 190, 215, 245, 266, 301, 350, 430, 475, 490, 602, 665, 817, 931, 950, 1075, 1225, 1330, 1505, 1634, 1862, 2107, 2150, 2450, 3010, 3325, 4085, 4214, 4655, 5719, 6650, 7525, 8170, 9310, 10535, 11438, 15050, 20425, 21070, 23275, 28595, 40033, 40850, 46550, 52675, 57190, 80066, 105350, 142975, 200165, 285950, 400330, 1000825, 2001650]

約数ペア:

[(1, 2001650), (2, 1000825), (5, 400330), (7, 285950), (10, 200165), (14, 142975), (19, 105350), (25, 80066), (35, 57190), (38, 52675), (43, 46550), (49, 40850), (50, 40033), (70, 28595), (86, 23275), (95, 21070), (98, 20425), (133, 15050), (175, 11438), (190, 10535), (215, 9310), (245, 8170), (266, 7525), (301, 6650), (350, 5719), (430, 4655), (475, 4214), (490, 4085), (602, 3325), (665, 3010), (817, 2450), (931, 2150), (950, 2107), (1075, 1862), (1225, 1634), (1330, 1505)]