8428185.00000000

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{821}}^1$

素因数の和:1069

約数の個数: 96

約数和(自身を含む): 254096640

約数和(自身を除く): 175132860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 229, 420, 458, 687, 821, 916, 1145, 1374, 1603, 1642, 2290, 2463, 2748, 3206, 3284, 3435, 4105, 4580, 4809, 4926, 5747, 6412, 6870, 8015, 8210, 9618, 9852, 11494, 12315, 13740, 16030, 16420, 17241, 19236, 22988, 24045, 24630, 28735, 32060, 34482, 48090, 49260, 57470, 68964, 86205, 96180, 114940, 172410, 188009, 344820, 376018, 564027, 752036, 940045, 1128054, 1316063, 1880090, 2256108, 2632126, 2820135, 3760180, 3948189, 5264252, 5640270, 6580315, 7896378, 11280540, 13160630, 15792756, 19740945, 26321260, 39481890, 78963780]

約数ペア:

[(1, 78963780), (2, 39481890), (3, 26321260), (4, 19740945), (5, 15792756), (6, 13160630), (7, 11280540), (10, 7896378), (12, 6580315), (14, 5640270), (15, 5264252), (20, 3948189), (21, 3760180), (28, 2820135), (30, 2632126), (35, 2256108), (42, 1880090), (60, 1316063), (70, 1128054), (84, 940045), (105, 752036), (140, 564027), (210, 376018), (229, 344820), (420, 188009), (458, 172410), (687, 114940), (821, 96180), (916, 86205), (1145, 68964), (1374, 57470), (1603, 49260), (1642, 48090), (2290, 34482), (2463, 32060), (2748, 28735), (3206, 24630), (3284, 24045), (3435, 22988), (4105, 19236), (4580, 17241), (4809, 16420), (4926, 16030), (5747, 13740), (6412, 12315), (6870, 11494), (8015, 9852), (8210, 9618)]