201221480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{218719}}^1$

素因数の和:218753

約数の個数: 32

約数和(自身を含む): 472435200

約数和(自身を除く): 271213720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 218719, 437438, 874876, 1093595, 1749752, 2187190, 4374380, 5030537, 8748760, 10061074, 20122148, 25152685, 40244296, 50305370, 100610740, 201221480]

約数ペア:

[(1, 201221480), (2, 100610740), (4, 50305370), (5, 40244296), (8, 25152685), (10, 20122148), (20, 10061074), (23, 8748760), (40, 5030537), (46, 4374380), (92, 2187190), (115, 1749752), (184, 1093595), (230, 874876), (460, 437438), (920, 218719)]