309680000

素因数分解:

$2^7\times 5^4\times 7^2\times {\mathrm{79}}^1$

素因数の和:127

約数の個数: 240

約数和(自身を含む): 908146800

約数和(自身を除く): 598466800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 79, 80, 98, 100, 112, 125, 128, 140, 158, 160, 175, 196, 200, 224, 245, 250, 280, 316, 320, 350, 392, 395, 400, 448, 490, 500, 553, 560, 625, 632, 640, 700, 784, 790, 800, 875, 896, 980, 1000, 1106, 1120, 1225, 1250, 1264, 1400, 1568, 1580, 1600, 1750, 1960, 1975, 2000, 2212, 2240, 2450, 2500, 2528, 2765, 2800, 3136, 3160, 3200, 3500, 3871, 3920, 3950, 4000, 4375, 4424, 4480, 4900, 5000, 5056, 5530, 5600, 6125, 6272, 6320, 7000, 7742, 7840, 7900, 8000, 8750, 8848, 9800, 9875, 10000, 10112, 11060, 11200, 12250, 12640, 13825, 14000, 15484, 15680, 15800, 16000, 17500, 17696, 19355, 19600, 19750, 20000, 22120, 22400, 24500, 25280, 27650, 28000, 30625, 30968, 31360, 31600, 35000, 35392, 38710, 39200, 39500, 40000, 44240, 49000, 49375, 50560, 55300, 56000, 61250, 61936, 63200, 69125, 70000, 70784, 77420, 78400, 79000, 80000, 88480, 96775, 98000, 98750, 110600, 112000, 122500, 123872, 126400, 138250, 140000, 154840, 156800, 158000, 176960, 193550, 196000, 197500, 221200, 245000, 247744, 252800, 276500, 280000, 309680, 316000, 345625, 353920, 387100, 392000, 395000, 442400, 483875, 490000, 495488, 553000, 560000, 619360, 632000, 691250, 774200, 784000, 790000, 884800, 967750, 980000, 1106000, 1238720, 1264000, 1382500, 1548400, 1580000, 1769600, 1935500, 1960000, 2212000, 2419375, 2477440, 2765000, 3096800, 3160000, 3871000, 3920000, 4424000, 4838750, 5530000, 6193600, 6320000, 7742000, 8848000, 9677500, 11060000, 12387200, 15484000, 19355000, 22120000, 30968000, 38710000, 44240000, 61936000, 77420000, 154840000, 309680000]

約数ペア:

[(1, 309680000), (2, 154840000), (4, 77420000), (5, 61936000), (7, 44240000), (8, 38710000), (10, 30968000), (14, 22120000), (16, 19355000), (20, 15484000), (25, 12387200), (28, 11060000), (32, 9677500), (35, 8848000), (40, 7742000), (49, 6320000), (50, 6193600), (56, 5530000), (64, 4838750), (70, 4424000), (79, 3920000), (80, 3871000), (98, 3160000), (100, 3096800), (112, 2765000), (125, 2477440), (128, 2419375), (140, 2212000), (158, 1960000), (160, 1935500), (175, 1769600), (196, 1580000), (200, 1548400), (224, 1382500), (245, 1264000), (250, 1238720), (280, 1106000), (316, 980000), (320, 967750), (350, 884800), (392, 790000), (395, 784000), (400, 774200), (448, 691250), (490, 632000), (500, 619360), (553, 560000), (560, 553000), (625, 495488), (632, 490000), (640, 483875), (700, 442400), (784, 395000), (790, 392000), (800, 387100), (875, 353920), (896, 345625), (980, 316000), (1000, 309680), (1106, 280000), (1120, 276500), (1225, 252800), (1250, 247744), (1264, 245000), (1400, 221200), (1568, 197500), (1580, 196000), (1600, 193550), (1750, 176960), (1960, 158000), (1975, 156800), (2000, 154840), (2212, 140000), (2240, 138250), (2450, 126400), (2500, 123872), (2528, 122500), (2765, 112000), (2800, 110600), (3136, 98750), (3160, 98000), (3200, 96775), (3500, 88480), (3871, 80000), (3920, 79000), (3950, 78400), (4000, 77420), (4375, 70784), (4424, 70000), (4480, 69125), (4900, 63200), (5000, 61936), (5056, 61250), (5530, 56000), (5600, 55300), (6125, 50560), (6272, 49375), (6320, 49000), (7000, 44240), (7742, 40000), (7840, 39500), (7900, 39200), (8000, 38710), (8750, 35392), (8848, 35000), (9800, 31600), (9875, 31360), (10000, 30968), (10112, 30625), (11060, 28000), (11200, 27650), (12250, 25280), (12640, 24500), (13825, 22400), (14000, 22120), (15484, 20000), (15680, 19750), (15800, 19600), (16000, 19355), (17500, 17696)]