201085720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{457013}}^1$

素因数の和:457035

約数の個数: 32

約数和(自身を含む): 493575120

約数和(自身を除く): 292489400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 457013, 914026, 1828052, 2285065, 3656104, 4570130, 5027143, 9140260, 10054286, 18280520, 20108572, 25135715, 40217144, 50271430, 100542860, 201085720]

約数ペア:

[(1, 201085720), (2, 100542860), (4, 50271430), (5, 40217144), (8, 25135715), (10, 20108572), (11, 18280520), (20, 10054286), (22, 9140260), (40, 5027143), (44, 4570130), (55, 3656104), (88, 2285065), (110, 1828052), (220, 914026), (440, 457013)]