171007220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{450019}}^1$

素因数の和:450047

約数の個数: 24

約数和(自身を含む): 378016800

約数和(自身を除く): 207009580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 450019, 900038, 1800076, 2250095, 4500190, 8550361, 9000380, 17100722, 34201444, 42751805, 85503610, 171007220]

約数ペア:

[(1, 171007220), (2, 85503610), (4, 42751805), (5, 34201444), (10, 17100722), (19, 9000380), (20, 8550361), (38, 4500190), (76, 2250095), (95, 1800076), (190, 900038), (380, 450019)]