259092020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{547}}^1\times {\mathrm{2153}}^1$

素因数の和:2720

約数の個数: 48

約数和(自身を含む): 594917568

約数和(自身を除く): 335825548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 547, 1094, 2153, 2188, 2735, 4306, 5470, 6017, 8612, 10765, 10940, 12034, 21530, 23683, 24068, 30085, 43060, 47366, 60170, 94732, 118415, 120340, 236830, 473660, 1177691, 2355382, 4710764, 5888455, 11776910, 12954601, 23553820, 25909202, 51818404, 64773005, 129546010, 259092020]

約数ペア:

[(1, 259092020), (2, 129546010), (4, 64773005), (5, 51818404), (10, 25909202), (11, 23553820), (20, 12954601), (22, 11776910), (44, 5888455), (55, 4710764), (110, 2355382), (220, 1177691), (547, 473660), (1094, 236830), (2153, 120340), (2188, 118415), (2735, 94732), (4306, 60170), (5470, 47366), (6017, 43060), (8612, 30085), (10765, 24068), (10940, 23683), (12034, 21530)]