521394160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{1721}}^1$

素因数の和:2282

約数の個数: 80

約数和(自身を含む): 1388786112

約数和(自身を除く): 867391952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 541, 560, 1082, 1721, 2164, 2705, 3442, 3787, 4328, 5410, 6884, 7574, 8605, 8656, 10820, 12047, 13768, 15148, 17210, 18935, 21640, 24094, 27536, 30296, 34420, 37870, 43280, 48188, 60235, 60592, 68840, 75740, 96376, 120470, 137680, 151480, 192752, 240940, 302960, 481880, 931061, 963760, 1862122, 3724244, 4655305, 6517427, 7448488, 9310610, 13034854, 14896976, 18621220, 26069708, 32587135, 37242440, 52139416, 65174270, 74484880, 104278832, 130348540, 260697080, 521394160]

約数ペア:

[(1, 521394160), (2, 260697080), (4, 130348540), (5, 104278832), (7, 74484880), (8, 65174270), (10, 52139416), (14, 37242440), (16, 32587135), (20, 26069708), (28, 18621220), (35, 14896976), (40, 13034854), (56, 9310610), (70, 7448488), (80, 6517427), (112, 4655305), (140, 3724244), (280, 1862122), (541, 963760), (560, 931061), (1082, 481880), (1721, 302960), (2164, 240940), (2705, 192752), (3442, 151480), (3787, 137680), (4328, 120470), (5410, 96376), (6884, 75740), (7574, 68840), (8605, 60592), (8656, 60235), (10820, 48188), (12047, 43280), (13768, 37870), (15148, 34420), (17210, 30296), (18935, 27536), (21640, 24094)]