77420000

素因数分解:

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

素因数の和:123

約数の個数: 180

約数和(自身を含む): 224365680

約数和(自身を除く): 146945680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 79, 80, 98, 100, 112, 125, 140, 158, 160, 175, 196, 200, 224, 245, 250, 280, 316, 350, 392, 395, 400, 490, 500, 553, 560, 625, 632, 700, 784, 790, 800, 875, 980, 1000, 1106, 1120, 1225, 1250, 1264, 1400, 1568, 1580, 1750, 1960, 1975, 2000, 2212, 2450, 2500, 2528, 2765, 2800, 3160, 3500, 3871, 3920, 3950, 4000, 4375, 4424, 4900, 5000, 5530, 5600, 6125, 6320, 7000, 7742, 7840, 7900, 8750, 8848, 9800, 9875, 10000, 11060, 12250, 12640, 13825, 14000, 15484, 15800, 17500, 17696, 19355, 19600, 19750, 20000, 22120, 24500, 27650, 28000, 30625, 30968, 31600, 35000, 38710, 39200, 39500, 44240, 49000, 49375, 55300, 61250, 61936, 63200, 69125, 70000, 77420, 79000, 88480, 96775, 98000, 98750, 110600, 122500, 123872, 138250, 140000, 154840, 158000, 193550, 196000, 197500, 221200, 245000, 276500, 309680, 316000, 345625, 387100, 395000, 442400, 483875, 490000, 553000, 619360, 691250, 774200, 790000, 967750, 980000, 1106000, 1382500, 1548400, 1580000, 1935500, 2212000, 2419375, 2765000, 3096800, 3871000, 4838750, 5530000, 7742000, 9677500, 11060000, 15484000, 19355000, 38710000, 77420000]

約数ペア:

[(1, 77420000), (2, 38710000), (4, 19355000), (5, 15484000), (7, 11060000), (8, 9677500), (10, 7742000), (14, 5530000), (16, 4838750), (20, 3871000), (25, 3096800), (28, 2765000), (32, 2419375), (35, 2212000), (40, 1935500), (49, 1580000), (50, 1548400), (56, 1382500), (70, 1106000), (79, 980000), (80, 967750), (98, 790000), (100, 774200), (112, 691250), (125, 619360), (140, 553000), (158, 490000), (160, 483875), (175, 442400), (196, 395000), (200, 387100), (224, 345625), (245, 316000), (250, 309680), (280, 276500), (316, 245000), (350, 221200), (392, 197500), (395, 196000), (400, 193550), (490, 158000), (500, 154840), (553, 140000), (560, 138250), (625, 123872), (632, 122500), (700, 110600), (784, 98750), (790, 98000), (800, 96775), (875, 88480), (980, 79000), (1000, 77420), (1106, 70000), (1120, 69125), (1225, 63200), (1250, 61936), (1264, 61250), (1400, 55300), (1568, 49375), (1580, 49000), (1750, 44240), (1960, 39500), (1975, 39200), (2000, 38710), (2212, 35000), (2450, 31600), (2500, 30968), (2528, 30625), (2765, 28000), (2800, 27650), (3160, 24500), (3500, 22120), (3871, 20000), (3920, 19750), (3950, 19600), (4000, 19355), (4375, 17696), (4424, 17500), (4900, 15800), (5000, 15484), (5530, 14000), (5600, 13825), (6125, 12640), (6320, 12250), (7000, 11060), (7742, 10000), (7840, 9875), (7900, 9800), (8750, 8848)]