257466260

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1\times {\mathrm{709}}^1$

素因数の和:1056

約数の個数: 48

約数和(自身を含む): 551550720

約数和(自身を除く): 294084460

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 271, 335, 542, 670, 709, 1084, 1340, 1355, 1418, 2710, 2836, 3545, 5420, 7090, 14180, 18157, 36314, 47503, 72628, 90785, 95006, 181570, 190012, 192139, 237515, 363140, 384278, 475030, 768556, 950060, 960695, 1921390, 3842780, 12873313, 25746626, 51493252, 64366565, 128733130, 257466260]

約数ペア:

[(1, 257466260), (2, 128733130), (4, 64366565), (5, 51493252), (10, 25746626), (20, 12873313), (67, 3842780), (134, 1921390), (268, 960695), (271, 950060), (335, 768556), (542, 475030), (670, 384278), (709, 363140), (1084, 237515), (1340, 192139), (1355, 190012), (1418, 181570), (2710, 95006), (2836, 90785), (3545, 72628), (5420, 47503), (7090, 36314), (14180, 18157)]