291216260

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{487}}^1\times {\mathrm{1031}}^1$

素因数の和:1556

約数の個数: 48

約数和(自身を含む): 634556160

約数和(自身を除く): 343339900

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 487, 580, 974, 1031, 1948, 2062, 2435, 4124, 4870, 5155, 9740, 10310, 14123, 20620, 28246, 29899, 56492, 59798, 70615, 119596, 141230, 149495, 282460, 298990, 502097, 597980, 1004194, 2008388, 2510485, 5020970, 10041940, 14560813, 29121626, 58243252, 72804065, 145608130, 291216260]

約数ペア:

[(1, 291216260), (2, 145608130), (4, 72804065), (5, 58243252), (10, 29121626), (20, 14560813), (29, 10041940), (58, 5020970), (116, 2510485), (145, 2008388), (290, 1004194), (487, 597980), (580, 502097), (974, 298990), (1031, 282460), (1948, 149495), (2062, 141230), (2435, 119596), (4124, 70615), (4870, 59798), (5155, 56492), (9740, 29899), (10310, 28246), (14123, 20620)]