120908020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{318179}}^1$

素因数の和:318207

約数の個数: 24

約数和(自身を含む): 267271200

約数和(自身を除く): 146363180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 318179, 636358, 1272716, 1590895, 3181790, 6045401, 6363580, 12090802, 24181604, 30227005, 60454010, 120908020]

約数ペア:

[(1, 120908020), (2, 60454010), (4, 30227005), (5, 24181604), (10, 12090802), (19, 6363580), (20, 6045401), (38, 3181790), (76, 1590895), (95, 1272716), (190, 636358), (380, 318179)]