270908690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{5171}}^1$

素因数の和:5235

約数の個数: 48

約数和(自身を含む): 545170176

約数和(自身を除く): 274261486

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 169, 310, 338, 403, 806, 845, 1690, 2015, 4030, 5171, 5239, 10342, 10478, 25855, 26195, 51710, 52390, 67223, 134446, 160301, 320602, 336115, 672230, 801505, 873899, 1603010, 1747798, 2083913, 4167826, 4369495, 8738990, 10419565, 20839130, 27090869, 54181738, 135454345, 270908690]

約数ペア:

[(1, 270908690), (2, 135454345), (5, 54181738), (10, 27090869), (13, 20839130), (26, 10419565), (31, 8738990), (62, 4369495), (65, 4167826), (130, 2083913), (155, 1747798), (169, 1603010), (310, 873899), (338, 801505), (403, 672230), (806, 336115), (845, 320602), (1690, 160301), (2015, 134446), (4030, 67223), (5171, 52390), (5239, 51710), (10342, 26195), (10478, 25855)]