201437720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{457813}}^1$

素因数の和:457835

約数の個数: 32

約数和(自身を含む): 494439120

約数和(自身を除く): 293001400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 457813, 915626, 1831252, 2289065, 3662504, 4578130, 5035943, 9156260, 10071886, 18312520, 20143772, 25179715, 40287544, 50359430, 100718860, 201437720]

約数ペア:

[(1, 201437720), (2, 100718860), (4, 50359430), (5, 40287544), (8, 25179715), (10, 20143772), (11, 18312520), (20, 10071886), (22, 9156260), (40, 5035943), (44, 4578130), (55, 3662504), (88, 2289065), (110, 1831252), (220, 915626), (440, 457813)]