68988380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{202907}}^1$

素因数の和:202933

約数の個数: 24

約数和(自身を含む): 153398448

約数和(自身を除く): 84410068

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 202907, 405814, 811628, 1014535, 2029070, 3449419, 4058140, 6898838, 13797676, 17247095, 34494190, 68988380]

約数ペア:

[(1, 68988380), (2, 34494190), (4, 17247095), (5, 13797676), (10, 6898838), (17, 4058140), (20, 3449419), (34, 2029070), (68, 1014535), (85, 811628), (170, 405814), (340, 202907)]