257958050

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{211}}^1\times {\mathrm{499}}^1$

素因数の和:736

約数の個数: 72

約数和(自身を含む): 561906000

約数和(自身を除く): 303947950

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 211, 245, 350, 422, 490, 499, 998, 1055, 1225, 1477, 2110, 2450, 2495, 2954, 3493, 4990, 5275, 6986, 7385, 10339, 10550, 12475, 14770, 17465, 20678, 24451, 24950, 34930, 36925, 48902, 51695, 73850, 87325, 103390, 105289, 122255, 174650, 210578, 244510, 258475, 516950, 526445, 611275, 737023, 1052890, 1222550, 1474046, 2632225, 3685115, 5159161, 5264450, 7370230, 10318322, 18425575, 25795805, 36851150, 51591610, 128979025, 257958050]

約数ペア:

[(1, 257958050), (2, 128979025), (5, 51591610), (7, 36851150), (10, 25795805), (14, 18425575), (25, 10318322), (35, 7370230), (49, 5264450), (50, 5159161), (70, 3685115), (98, 2632225), (175, 1474046), (211, 1222550), (245, 1052890), (350, 737023), (422, 611275), (490, 526445), (499, 516950), (998, 258475), (1055, 244510), (1225, 210578), (1477, 174650), (2110, 122255), (2450, 105289), (2495, 103390), (2954, 87325), (3493, 73850), (4990, 51695), (5275, 48902), (6986, 36925), (7385, 34930), (10339, 24950), (10550, 24451), (12475, 20678), (14770, 17465)]