191420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{563}}^1$

素因数の和:589

約数の個数: 24

約数和(自身を含む): 426384

約数和(自身を除く): 234964

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 563, 1126, 2252, 2815, 5630, 9571, 11260, 19142, 38284, 47855, 95710, 191420]

約数ペア:

[(1, 191420), (2, 95710), (4, 47855), (5, 38284), (10, 19142), (17, 11260), (20, 9571), (34, 5630), (68, 2815), (85, 2252), (170, 1126), (340, 563)]