4447020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{541}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 12565728

約数和(自身を除く): 8118708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 137, 274, 411, 541, 548, 685, 822, 1082, 1370, 1623, 1644, 2055, 2164, 2705, 2740, 3246, 4110, 5410, 6492, 8115, 8220, 10820, 16230, 32460, 74117, 148234, 222351, 296468, 370585, 444702, 741170, 889404, 1111755, 1482340, 2223510, 4447020]

約数ペア:

[(1, 4447020), (2, 2223510), (3, 1482340), (4, 1111755), (5, 889404), (6, 741170), (10, 444702), (12, 370585), (15, 296468), (20, 222351), (30, 148234), (60, 74117), (137, 32460), (274, 16230), (411, 10820), (541, 8220), (548, 8115), (685, 6492), (822, 5410), (1082, 4110), (1370, 3246), (1623, 2740), (1644, 2705), (2055, 2164)]