2017321180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{751}}^1\times {\mathrm{2741}}^1$

素因数の和:3515

約数の個数: 72

約数和(自身を含む): 4936389696

約数和(自身を除く): 2919068516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 751, 980, 1502, 2741, 3004, 3755, 5257, 5482, 7510, 10514, 10964, 13705, 15020, 19187, 21028, 26285, 27410, 36799, 38374, 52570, 54820, 73598, 76748, 95935, 105140, 134309, 147196, 183995, 191870, 268618, 367990, 383740, 537236, 671545, 735980, 1343090, 2058491, 2686180, 4116982, 8233964, 10292455, 14409437, 20584910, 28818874, 41169820, 57637748, 72047185, 100866059, 144094370, 201732118, 288188740, 403464236, 504330295, 1008660590, 2017321180]

約数ペア:

[(1, 2017321180), (2, 1008660590), (4, 504330295), (5, 403464236), (7, 288188740), (10, 201732118), (14, 144094370), (20, 100866059), (28, 72047185), (35, 57637748), (49, 41169820), (70, 28818874), (98, 20584910), (140, 14409437), (196, 10292455), (245, 8233964), (490, 4116982), (751, 2686180), (980, 2058491), (1502, 1343090), (2741, 735980), (3004, 671545), (3755, 537236), (5257, 383740), (5482, 367990), (7510, 268618), (10514, 191870), (10964, 183995), (13705, 147196), (15020, 134309), (19187, 105140), (21028, 95935), (26285, 76748), (27410, 73598), (36799, 54820), (38374, 52570)]