199872180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1110401}}^1$

素因数の和:1110416

約数の個数: 36

約数和(自身を含む): 606279492

約数和(自身を除く): 406407312

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1110401, 2220802, 3331203, 4441604, 5552005, 6662406, 9993609, 11104010, 13324812, 16656015, 19987218, 22208020, 33312030, 39974436, 49968045, 66624060, 99936090, 199872180]

約数ペア:

[(1, 199872180), (2, 99936090), (3, 66624060), (4, 49968045), (5, 39974436), (6, 33312030), (9, 22208020), (10, 19987218), (12, 16656015), (15, 13324812), (18, 11104010), (20, 9993609), (30, 6662406), (36, 5552005), (45, 4441604), (60, 3331203), (90, 2220802), (180, 1110401)]