55478500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1$

素因数の和:179

約数の個数: 144

約数和(自身を含む): 153369216

約数和(自身を除く): 97890716

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 121, 125, 131, 140, 154, 175, 220, 242, 250, 262, 275, 308, 350, 385, 484, 500, 524, 550, 605, 655, 700, 770, 847, 875, 917, 1100, 1210, 1310, 1375, 1441, 1540, 1694, 1750, 1834, 1925, 2420, 2620, 2750, 2882, 3025, 3275, 3388, 3500, 3668, 3850, 4235, 4585, 5500, 5764, 6050, 6550, 7205, 7700, 8470, 9170, 9625, 10087, 12100, 13100, 14410, 15125, 15851, 16375, 16940, 18340, 19250, 20174, 21175, 22925, 28820, 30250, 31702, 32750, 36025, 38500, 40348, 42350, 45850, 50435, 60500, 63404, 65500, 72050, 79255, 84700, 91700, 100870, 105875, 110957, 114625, 144100, 158510, 180125, 201740, 211750, 221914, 229250, 252175, 317020, 360250, 396275, 423500, 443828, 458500, 504350, 554785, 720500, 792550, 1008700, 1109570, 1260875, 1585100, 1981375, 2219140, 2521750, 2773925, 3962750, 5043500, 5547850, 7925500, 11095700, 13869625, 27739250, 55478500]

約数ペア:

[(1, 55478500), (2, 27739250), (4, 13869625), (5, 11095700), (7, 7925500), (10, 5547850), (11, 5043500), (14, 3962750), (20, 2773925), (22, 2521750), (25, 2219140), (28, 1981375), (35, 1585100), (44, 1260875), (50, 1109570), (55, 1008700), (70, 792550), (77, 720500), (100, 554785), (110, 504350), (121, 458500), (125, 443828), (131, 423500), (140, 396275), (154, 360250), (175, 317020), (220, 252175), (242, 229250), (250, 221914), (262, 211750), (275, 201740), (308, 180125), (350, 158510), (385, 144100), (484, 114625), (500, 110957), (524, 105875), (550, 100870), (605, 91700), (655, 84700), (700, 79255), (770, 72050), (847, 65500), (875, 63404), (917, 60500), (1100, 50435), (1210, 45850), (1310, 42350), (1375, 40348), (1441, 38500), (1540, 36025), (1694, 32750), (1750, 31702), (1834, 30250), (1925, 28820), (2420, 22925), (2620, 21175), (2750, 20174), (2882, 19250), (3025, 18340), (3275, 16940), (3388, 16375), (3500, 15851), (3668, 15125), (3850, 14410), (4235, 13100), (4585, 12100), (5500, 10087), (5764, 9625), (6050, 9170), (6550, 8470), (7205, 7700)]