740180

素因数分解:

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

素因数の和:344

約数の個数: 48

約数和(自身を含む): 1886976

約数和(自身を除く): 1146796

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 311, 340, 476, 595, 622, 1190, 1244, 1555, 2177, 2380, 3110, 4354, 5287, 6220, 8708, 10574, 10885, 21148, 21770, 26435, 37009, 43540, 52870, 74018, 105740, 148036, 185045, 370090, 740180]

約数ペア:

[(1, 740180), (2, 370090), (4, 185045), (5, 148036), (7, 105740), (10, 74018), (14, 52870), (17, 43540), (20, 37009), (28, 26435), (34, 21770), (35, 21148), (68, 10885), (70, 10574), (85, 8708), (119, 6220), (140, 5287), (170, 4354), (238, 3110), (311, 2380), (340, 2177), (476, 1555), (595, 1244), (622, 1190)]