155751400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{691}}^1$

素因数の和:744

約数の個数: 144

約数和(自身を含む): 440195040

約数和(自身を除く): 284443640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 25, 28, 35, 40, 46, 49, 50, 56, 70, 92, 98, 100, 115, 140, 161, 175, 184, 196, 200, 230, 245, 280, 322, 350, 392, 460, 490, 575, 644, 691, 700, 805, 920, 980, 1127, 1150, 1225, 1288, 1382, 1400, 1610, 1960, 2254, 2300, 2450, 2764, 3220, 3455, 4025, 4508, 4600, 4837, 4900, 5528, 5635, 6440, 6910, 8050, 9016, 9674, 9800, 11270, 13820, 15893, 16100, 17275, 19348, 22540, 24185, 27640, 28175, 31786, 32200, 33859, 34550, 38696, 45080, 48370, 56350, 63572, 67718, 69100, 79465, 96740, 111251, 112700, 120925, 127144, 135436, 138200, 158930, 169295, 193480, 222502, 225400, 241850, 270872, 317860, 338590, 397325, 445004, 483700, 556255, 635720, 677180, 778757, 794650, 846475, 890008, 967400, 1112510, 1354360, 1557514, 1589300, 1692950, 2225020, 2781275, 3115028, 3178600, 3385900, 3893785, 4450040, 5562550, 6230056, 6771800, 7787570, 11125100, 15575140, 19468925, 22250200, 31150280, 38937850, 77875700, 155751400]

約数ペア:

[(1, 155751400), (2, 77875700), (4, 38937850), (5, 31150280), (7, 22250200), (8, 19468925), (10, 15575140), (14, 11125100), (20, 7787570), (23, 6771800), (25, 6230056), (28, 5562550), (35, 4450040), (40, 3893785), (46, 3385900), (49, 3178600), (50, 3115028), (56, 2781275), (70, 2225020), (92, 1692950), (98, 1589300), (100, 1557514), (115, 1354360), (140, 1112510), (161, 967400), (175, 890008), (184, 846475), (196, 794650), (200, 778757), (230, 677180), (245, 635720), (280, 556255), (322, 483700), (350, 445004), (392, 397325), (460, 338590), (490, 317860), (575, 270872), (644, 241850), (691, 225400), (700, 222502), (805, 193480), (920, 169295), (980, 158930), (1127, 138200), (1150, 135436), (1225, 127144), (1288, 120925), (1382, 112700), (1400, 111251), (1610, 96740), (1960, 79465), (2254, 69100), (2300, 67718), (2450, 63572), (2764, 56350), (3220, 48370), (3455, 45080), (4025, 38696), (4508, 34550), (4600, 33859), (4837, 32200), (4900, 31786), (5528, 28175), (5635, 27640), (6440, 24185), (6910, 22540), (8050, 19348), (9016, 17275), (9674, 16100), (9800, 15893), (11270, 13820)]