271344260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{617}}^1\times {\mathrm{1999}}^1$

素因数の和:2636

約数の個数: 48

約数和(自身を含む): 622944000

約数和(自身を除く): 351599740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 617, 1234, 1999, 2468, 3085, 3998, 6170, 6787, 7996, 9995, 12340, 13574, 19990, 21989, 27148, 33935, 39980, 43978, 67870, 87956, 109945, 135740, 219890, 439780, 1233383, 2466766, 4933532, 6166915, 12333830, 13567213, 24667660, 27134426, 54268852, 67836065, 135672130, 271344260]

約数ペア:

[(1, 271344260), (2, 135672130), (4, 67836065), (5, 54268852), (10, 27134426), (11, 24667660), (20, 13567213), (22, 12333830), (44, 6166915), (55, 4933532), (110, 2466766), (220, 1233383), (617, 439780), (1234, 219890), (1999, 135740), (2468, 109945), (3085, 87956), (3998, 67870), (6170, 43978), (6787, 39980), (7996, 33935), (9995, 27148), (12340, 21989), (13574, 19990)]