28057500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:102

約数の個数: 180

約数和(自身を含む): 93813720

約数和(自身を除く): 65756220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 29, 30, 36, 43, 45, 50, 58, 60, 75, 86, 87, 90, 100, 116, 125, 129, 145, 150, 172, 174, 180, 215, 225, 250, 258, 261, 290, 300, 348, 375, 387, 430, 435, 450, 500, 516, 522, 580, 625, 645, 725, 750, 774, 860, 870, 900, 1044, 1075, 1125, 1247, 1250, 1290, 1305, 1450, 1500, 1548, 1740, 1875, 1935, 2150, 2175, 2250, 2494, 2500, 2580, 2610, 2900, 3225, 3625, 3741, 3750, 3870, 4300, 4350, 4500, 4988, 5220, 5375, 5625, 6235, 6450, 6525, 7250, 7482, 7500, 7740, 8700, 9675, 10750, 10875, 11223, 11250, 12470, 12900, 13050, 14500, 14964, 16125, 18125, 18705, 19350, 21500, 21750, 22446, 22500, 24940, 26100, 26875, 31175, 32250, 32625, 36250, 37410, 38700, 43500, 44892, 48375, 53750, 54375, 56115, 62350, 64500, 65250, 72500, 74820, 80625, 93525, 96750, 107500, 108750, 112230, 124700, 130500, 155875, 161250, 163125, 187050, 193500, 217500, 224460, 241875, 280575, 311750, 322500, 326250, 374100, 467625, 483750, 561150, 623500, 652500, 779375, 935250, 967500, 1122300, 1402875, 1558750, 1870500, 2338125, 2805750, 3117500, 4676250, 5611500, 7014375, 9352500, 14028750, 28057500]

約数ペア:

[(1, 28057500), (2, 14028750), (3, 9352500), (4, 7014375), (5, 5611500), (6, 4676250), (9, 3117500), (10, 2805750), (12, 2338125), (15, 1870500), (18, 1558750), (20, 1402875), (25, 1122300), (29, 967500), (30, 935250), (36, 779375), (43, 652500), (45, 623500), (50, 561150), (58, 483750), (60, 467625), (75, 374100), (86, 326250), (87, 322500), (90, 311750), (100, 280575), (116, 241875), (125, 224460), (129, 217500), (145, 193500), (150, 187050), (172, 163125), (174, 161250), (180, 155875), (215, 130500), (225, 124700), (250, 112230), (258, 108750), (261, 107500), (290, 96750), (300, 93525), (348, 80625), (375, 74820), (387, 72500), (430, 65250), (435, 64500), (450, 62350), (500, 56115), (516, 54375), (522, 53750), (580, 48375), (625, 44892), (645, 43500), (725, 38700), (750, 37410), (774, 36250), (860, 32625), (870, 32250), (900, 31175), (1044, 26875), (1075, 26100), (1125, 24940), (1247, 22500), (1250, 22446), (1290, 21750), (1305, 21500), (1450, 19350), (1500, 18705), (1548, 18125), (1740, 16125), (1875, 14964), (1935, 14500), (2150, 13050), (2175, 12900), (2250, 12470), (2494, 11250), (2500, 11223), (2580, 10875), (2610, 10750), (2900, 9675), (3225, 8700), (3625, 7740), (3741, 7500), (3750, 7482), (3870, 7250), (4300, 6525), (4350, 6450), (4500, 6235), (4988, 5625), (5220, 5375)]