2990190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1$

素因数の和:537

約数の個数: 64

約数和(自身を含む): 8501760

約数和(自身を除く): 5511570

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 58, 70, 87, 105, 145, 174, 203, 210, 290, 406, 435, 491, 609, 870, 982, 1015, 1218, 1473, 2030, 2455, 2946, 3045, 3437, 4910, 6090, 6874, 7365, 10311, 14239, 14730, 17185, 20622, 28478, 34370, 42717, 51555, 71195, 85434, 99673, 103110, 142390, 199346, 213585, 299019, 427170, 498365, 598038, 996730, 1495095, 2990190]

約数ペア:

[(1, 2990190), (2, 1495095), (3, 996730), (5, 598038), (6, 498365), (7, 427170), (10, 299019), (14, 213585), (15, 199346), (21, 142390), (29, 103110), (30, 99673), (35, 85434), (42, 71195), (58, 51555), (70, 42717), (87, 34370), (105, 28478), (145, 20622), (174, 17185), (203, 14730), (210, 14239), (290, 10311), (406, 7365), (435, 6874), (491, 6090), (609, 4910), (870, 3437), (982, 3045), (1015, 2946), (1218, 2455), (1473, 2030)]