201030140

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{72313}}^1$

素因数の和:72461

約数の個数: 24

約数和(自身を含む): 425206320

約数和(自身を除く): 224176180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 72313, 144626, 289252, 361565, 723130, 1446260, 10051507, 20103014, 40206028, 50257535, 100515070, 201030140]

約数ペア:

[(1, 201030140), (2, 100515070), (4, 50257535), (5, 40206028), (10, 20103014), (20, 10051507), (139, 1446260), (278, 723130), (556, 361565), (695, 289252), (1390, 144626), (2780, 72313)]