201173720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{457213}}^1$

素因数の和:457235

約数の個数: 32

約数和(自身を含む): 493791120

約数和(自身を除く): 292617400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 457213, 914426, 1828852, 2286065, 3657704, 4572130, 5029343, 9144260, 10058686, 18288520, 20117372, 25146715, 40234744, 50293430, 100586860, 201173720]

約数ペア:

[(1, 201173720), (2, 100586860), (4, 50293430), (5, 40234744), (8, 25146715), (10, 20117372), (11, 18288520), (20, 10058686), (22, 9144260), (40, 5029343), (44, 4572130), (55, 3657704), (88, 2286065), (110, 1828852), (220, 914426), (440, 457213)]