22120000

素因数分解:

$2^6\times 5^4\times 7^1\times {\mathrm{79}}^1$

素因数の和:118

約数の個数: 140

約数和(自身を含む): 63479680

約数和(自身を除く): 41359680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 79, 80, 100, 112, 125, 140, 158, 160, 175, 200, 224, 250, 280, 316, 320, 350, 395, 400, 448, 500, 553, 560, 625, 632, 700, 790, 800, 875, 1000, 1106, 1120, 1250, 1264, 1400, 1580, 1600, 1750, 1975, 2000, 2212, 2240, 2500, 2528, 2765, 2800, 3160, 3500, 3950, 4000, 4375, 4424, 5000, 5056, 5530, 5600, 6320, 7000, 7900, 8000, 8750, 8848, 9875, 10000, 11060, 11200, 12640, 13825, 14000, 15800, 17500, 17696, 19750, 20000, 22120, 25280, 27650, 28000, 31600, 35000, 35392, 39500, 40000, 44240, 49375, 55300, 56000, 63200, 69125, 70000, 79000, 88480, 98750, 110600, 126400, 138250, 140000, 158000, 176960, 197500, 221200, 276500, 280000, 316000, 345625, 395000, 442400, 553000, 632000, 691250, 790000, 884800, 1106000, 1382500, 1580000, 2212000, 2765000, 3160000, 4424000, 5530000, 11060000, 22120000]

約数ペア:

[(1, 22120000), (2, 11060000), (4, 5530000), (5, 4424000), (7, 3160000), (8, 2765000), (10, 2212000), (14, 1580000), (16, 1382500), (20, 1106000), (25, 884800), (28, 790000), (32, 691250), (35, 632000), (40, 553000), (50, 442400), (56, 395000), (64, 345625), (70, 316000), (79, 280000), (80, 276500), (100, 221200), (112, 197500), (125, 176960), (140, 158000), (158, 140000), (160, 138250), (175, 126400), (200, 110600), (224, 98750), (250, 88480), (280, 79000), (316, 70000), (320, 69125), (350, 63200), (395, 56000), (400, 55300), (448, 49375), (500, 44240), (553, 40000), (560, 39500), (625, 35392), (632, 35000), (700, 31600), (790, 28000), (800, 27650), (875, 25280), (1000, 22120), (1106, 20000), (1120, 19750), (1250, 17696), (1264, 17500), (1400, 15800), (1580, 14000), (1600, 13825), (1750, 12640), (1975, 11200), (2000, 11060), (2212, 10000), (2240, 9875), (2500, 8848), (2528, 8750), (2765, 8000), (2800, 7900), (3160, 7000), (3500, 6320), (3950, 5600), (4000, 5530), (4375, 5056), (4424, 5000)]