1813309540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{219529}}^1$

素因数の和:219604

約数の個数: 48

約数和(自身を含む): 4425724800

約数和(自身を除く): 2612415260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 413, 590, 826, 1180, 1652, 2065, 4130, 8260, 219529, 439058, 878116, 1097645, 1536703, 2195290, 3073406, 4390580, 6146812, 7683515, 12952211, 15367030, 25904422, 30734060, 51808844, 64761055, 90665477, 129522110, 181330954, 259044220, 362661908, 453327385, 906654770, 1813309540]

約数ペア:

[(1, 1813309540), (2, 906654770), (4, 453327385), (5, 362661908), (7, 259044220), (10, 181330954), (14, 129522110), (20, 90665477), (28, 64761055), (35, 51808844), (59, 30734060), (70, 25904422), (118, 15367030), (140, 12952211), (236, 7683515), (295, 6146812), (413, 4390580), (590, 3073406), (826, 2195290), (1180, 1536703), (1652, 1097645), (2065, 878116), (4130, 439058), (8260, 219529)]