749132380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1971401}}^1$

素因数の和:1971429

約数の個数: 24

約数和(自身を含む): 1655977680

約数和(自身を除く): 906845300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1971401, 3942802, 7885604, 9857005, 19714010, 37456619, 39428020, 74913238, 149826476, 187283095, 374566190, 749132380]

約数ペア:

[(1, 749132380), (2, 374566190), (4, 187283095), (5, 149826476), (10, 74913238), (19, 39428020), (20, 37456619), (38, 19714010), (76, 9857005), (95, 7885604), (190, 3942802), (380, 1971401)]