8141980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1$

素因数の和:355

約数の個数: 96

約数和(自身を含む): 22643712

約数和(自身を除く): 14501732

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 55, 68, 70, 77, 85, 110, 119, 140, 154, 170, 187, 220, 238, 308, 311, 340, 374, 385, 476, 595, 622, 748, 770, 935, 1190, 1244, 1309, 1540, 1555, 1870, 2177, 2380, 2618, 3110, 3421, 3740, 4354, 5236, 5287, 6220, 6545, 6842, 8708, 10574, 10885, 13090, 13684, 17105, 21148, 21770, 23947, 26180, 26435, 34210, 37009, 43540, 47894, 52870, 58157, 68420, 74018, 95788, 105740, 116314, 119735, 148036, 185045, 232628, 239470, 290785, 370090, 407099, 478940, 581570, 740180, 814198, 1163140, 1628396, 2035495, 4070990, 8141980]

約数ペア:

[(1, 8141980), (2, 4070990), (4, 2035495), (5, 1628396), (7, 1163140), (10, 814198), (11, 740180), (14, 581570), (17, 478940), (20, 407099), (22, 370090), (28, 290785), (34, 239470), (35, 232628), (44, 185045), (55, 148036), (68, 119735), (70, 116314), (77, 105740), (85, 95788), (110, 74018), (119, 68420), (140, 58157), (154, 52870), (170, 47894), (187, 43540), (220, 37009), (238, 34210), (308, 26435), (311, 26180), (340, 23947), (374, 21770), (385, 21148), (476, 17105), (595, 13684), (622, 13090), (748, 10885), (770, 10574), (935, 8708), (1190, 6842), (1244, 6545), (1309, 6220), (1540, 5287), (1555, 5236), (1870, 4354), (2177, 3740), (2380, 3421), (2618, 3110)]