51400400

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:229

約数の個数: 120

約数和(自身を含む): 133217664

約数和(自身を除く): 81817264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 37, 40, 46, 50, 74, 80, 92, 100, 115, 148, 151, 184, 185, 200, 230, 296, 302, 368, 370, 400, 460, 575, 592, 604, 740, 755, 851, 920, 925, 1150, 1208, 1480, 1510, 1702, 1840, 1850, 2300, 2416, 2960, 3020, 3404, 3473, 3700, 3775, 4255, 4600, 5587, 6040, 6808, 6946, 7400, 7550, 8510, 9200, 11174, 12080, 13616, 13892, 14800, 15100, 17020, 17365, 21275, 22348, 27784, 27935, 30200, 34040, 34730, 42550, 44696, 55568, 55870, 60400, 68080, 69460, 85100, 86825, 89392, 111740, 128501, 138920, 139675, 170200, 173650, 223480, 257002, 277840, 279350, 340400, 347300, 446960, 514004, 558700, 642505, 694600, 1028008, 1117400, 1285010, 1389200, 2056016, 2234800, 2570020, 3212525, 5140040, 6425050, 10280080, 12850100, 25700200, 51400400]

約数ペア:

[(1, 51400400), (2, 25700200), (4, 12850100), (5, 10280080), (8, 6425050), (10, 5140040), (16, 3212525), (20, 2570020), (23, 2234800), (25, 2056016), (37, 1389200), (40, 1285010), (46, 1117400), (50, 1028008), (74, 694600), (80, 642505), (92, 558700), (100, 514004), (115, 446960), (148, 347300), (151, 340400), (184, 279350), (185, 277840), (200, 257002), (230, 223480), (296, 173650), (302, 170200), (368, 139675), (370, 138920), (400, 128501), (460, 111740), (575, 89392), (592, 86825), (604, 85100), (740, 69460), (755, 68080), (851, 60400), (920, 55870), (925, 55568), (1150, 44696), (1208, 42550), (1480, 34730), (1510, 34040), (1702, 30200), (1840, 27935), (1850, 27784), (2300, 22348), (2416, 21275), (2960, 17365), (3020, 17020), (3404, 15100), (3473, 14800), (3700, 13892), (3775, 13616), (4255, 12080), (4600, 11174), (5587, 9200), (6040, 8510), (6808, 7550), (6946, 7400)]