430780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 1100736

約数和(自身を除く): 669956

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 181, 238, 340, 362, 476, 595, 724, 905, 1190, 1267, 1810, 2380, 2534, 3077, 3620, 5068, 6154, 6335, 12308, 12670, 15385, 21539, 25340, 30770, 43078, 61540, 86156, 107695, 215390, 430780]

約数ペア:

[(1, 430780), (2, 215390), (4, 107695), (5, 86156), (7, 61540), (10, 43078), (14, 30770), (17, 25340), (20, 21539), (28, 15385), (34, 12670), (35, 12308), (68, 6335), (70, 6154), (85, 5068), (119, 3620), (140, 3077), (170, 2534), (181, 2380), (238, 1810), (340, 1267), (362, 1190), (476, 905), (595, 724)]