19765900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1$

素因数の和:200

約数の個数: 144

約数和(自身を含む): 56996352

約数和(自身を除く): 37230452

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 25, 28, 34, 35, 44, 50, 55, 68, 70, 77, 85, 100, 110, 119, 140, 151, 154, 170, 175, 187, 220, 238, 275, 302, 308, 340, 350, 374, 385, 425, 476, 550, 595, 604, 700, 748, 755, 770, 850, 935, 1057, 1100, 1190, 1309, 1510, 1540, 1661, 1700, 1870, 1925, 2114, 2380, 2567, 2618, 2975, 3020, 3322, 3740, 3775, 3850, 4228, 4675, 5134, 5236, 5285, 5950, 6545, 6644, 7550, 7700, 8305, 9350, 10268, 10570, 11627, 11900, 12835, 13090, 15100, 16610, 17969, 18700, 21140, 23254, 25670, 26180, 26425, 28237, 32725, 33220, 35938, 41525, 46508, 51340, 52850, 56474, 58135, 64175, 65450, 71876, 83050, 89845, 105700, 112948, 116270, 128350, 130900, 141185, 166100, 179690, 197659, 232540, 256700, 282370, 290675, 359380, 395318, 449225, 564740, 581350, 705925, 790636, 898450, 988295, 1162700, 1411850, 1796900, 1976590, 2823700, 3953180, 4941475, 9882950, 19765900]

約数ペア:

[(1, 19765900), (2, 9882950), (4, 4941475), (5, 3953180), (7, 2823700), (10, 1976590), (11, 1796900), (14, 1411850), (17, 1162700), (20, 988295), (22, 898450), (25, 790636), (28, 705925), (34, 581350), (35, 564740), (44, 449225), (50, 395318), (55, 359380), (68, 290675), (70, 282370), (77, 256700), (85, 232540), (100, 197659), (110, 179690), (119, 166100), (140, 141185), (151, 130900), (154, 128350), (170, 116270), (175, 112948), (187, 105700), (220, 89845), (238, 83050), (275, 71876), (302, 65450), (308, 64175), (340, 58135), (350, 56474), (374, 52850), (385, 51340), (425, 46508), (476, 41525), (550, 35938), (595, 33220), (604, 32725), (700, 28237), (748, 26425), (755, 26180), (770, 25670), (850, 23254), (935, 21140), (1057, 18700), (1100, 17969), (1190, 16610), (1309, 15100), (1510, 13090), (1540, 12835), (1661, 11900), (1700, 11627), (1870, 10570), (1925, 10268), (2114, 9350), (2380, 8305), (2567, 7700), (2618, 7550), (2975, 6644), (3020, 6545), (3322, 5950), (3740, 5285), (3775, 5236), (3850, 5134), (4228, 4675)]