78697850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20441}}^1$

素因数の和:20471

約数の個数: 48

約数和(自身を含む): 182506176

約数和(自身を除く): 103808326

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 770, 1925, 3850, 20441, 40882, 102205, 143087, 204410, 224851, 286174, 449702, 511025, 715435, 1022050, 1124255, 1430870, 1573957, 2248510, 3147914, 3577175, 5621275, 7154350, 7869785, 11242550, 15739570, 39348925, 78697850]

約数ペア:

[(1, 78697850), (2, 39348925), (5, 15739570), (7, 11242550), (10, 7869785), (11, 7154350), (14, 5621275), (22, 3577175), (25, 3147914), (35, 2248510), (50, 1573957), (55, 1430870), (70, 1124255), (77, 1022050), (110, 715435), (154, 511025), (175, 449702), (275, 286174), (350, 224851), (385, 204410), (550, 143087), (770, 102205), (1925, 40882), (3850, 20441)]