28765100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 80203200

約数和(自身を除く): 51438100

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 29, 35, 50, 52, 58, 65, 70, 91, 100, 109, 116, 130, 140, 145, 175, 182, 203, 218, 260, 290, 325, 350, 364, 377, 406, 436, 455, 545, 580, 650, 700, 725, 754, 763, 812, 910, 1015, 1090, 1300, 1417, 1450, 1508, 1526, 1820, 1885, 2030, 2180, 2275, 2639, 2725, 2834, 2900, 3052, 3161, 3770, 3815, 4060, 4550, 5075, 5278, 5450, 5668, 6322, 7085, 7540, 7630, 9100, 9425, 9919, 10150, 10556, 10900, 12644, 13195, 14170, 15260, 15805, 18850, 19075, 19838, 20300, 22127, 26390, 28340, 31610, 35425, 37700, 38150, 39676, 41093, 44254, 49595, 52780, 63220, 65975, 70850, 76300, 79025, 82186, 88508, 99190, 110635, 131950, 141700, 158050, 164372, 198380, 205465, 221270, 247975, 263900, 287651, 316100, 410930, 442540, 495950, 553175, 575302, 821860, 991900, 1027325, 1106350, 1150604, 1438255, 2054650, 2212700, 2876510, 4109300, 5753020, 7191275, 14382550, 28765100]

約数ペア:

[(1, 28765100), (2, 14382550), (4, 7191275), (5, 5753020), (7, 4109300), (10, 2876510), (13, 2212700), (14, 2054650), (20, 1438255), (25, 1150604), (26, 1106350), (28, 1027325), (29, 991900), (35, 821860), (50, 575302), (52, 553175), (58, 495950), (65, 442540), (70, 410930), (91, 316100), (100, 287651), (109, 263900), (116, 247975), (130, 221270), (140, 205465), (145, 198380), (175, 164372), (182, 158050), (203, 141700), (218, 131950), (260, 110635), (290, 99190), (325, 88508), (350, 82186), (364, 79025), (377, 76300), (406, 70850), (436, 65975), (455, 63220), (545, 52780), (580, 49595), (650, 44254), (700, 41093), (725, 39676), (754, 38150), (763, 37700), (812, 35425), (910, 31610), (1015, 28340), (1090, 26390), (1300, 22127), (1417, 20300), (1450, 19838), (1508, 19075), (1526, 18850), (1820, 15805), (1885, 15260), (2030, 14170), (2180, 13195), (2275, 12644), (2639, 10900), (2725, 10556), (2834, 10150), (2900, 9919), (3052, 9425), (3161, 9100), (3770, 7630), (3815, 7540), (4060, 7085), (4550, 6322), (5075, 5668), (5278, 5450)]