215390

素因数分解:

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

素因数の和:212

約数の個数: 32

約数和(自身を含む): 471744

約数和(自身を除く): 256354

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 181, 238, 362, 595, 905, 1190, 1267, 1810, 2534, 3077, 6154, 6335, 12670, 15385, 21539, 30770, 43078, 107695, 215390]

約数ペア:

[(1, 215390), (2, 107695), (5, 43078), (7, 30770), (10, 21539), (14, 15385), (17, 12670), (34, 6335), (35, 6154), (70, 3077), (85, 2534), (119, 1810), (170, 1267), (181, 1190), (238, 905), (362, 595)]