7420000

素因数分解:

$2^5\times 5^4\times 7^1\times {\mathrm{53}}^1$

素因数の和:90

約数の個数: 120

約数和(自身を含む): 21255696

約数和(自身を除く): 13835696

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 53, 56, 70, 80, 100, 106, 112, 125, 140, 160, 175, 200, 212, 224, 250, 265, 280, 350, 371, 400, 424, 500, 530, 560, 625, 700, 742, 800, 848, 875, 1000, 1060, 1120, 1250, 1325, 1400, 1484, 1696, 1750, 1855, 2000, 2120, 2500, 2650, 2800, 2968, 3500, 3710, 4000, 4240, 4375, 5000, 5300, 5600, 5936, 6625, 7000, 7420, 8480, 8750, 9275, 10000, 10600, 11872, 13250, 14000, 14840, 17500, 18550, 20000, 21200, 26500, 28000, 29680, 33125, 35000, 37100, 42400, 46375, 53000, 59360, 66250, 70000, 74200, 92750, 106000, 132500, 140000, 148400, 185500, 212000, 231875, 265000, 296800, 371000, 463750, 530000, 742000, 927500, 1060000, 1484000, 1855000, 3710000, 7420000]

約数ペア:

[(1, 7420000), (2, 3710000), (4, 1855000), (5, 1484000), (7, 1060000), (8, 927500), (10, 742000), (14, 530000), (16, 463750), (20, 371000), (25, 296800), (28, 265000), (32, 231875), (35, 212000), (40, 185500), (50, 148400), (53, 140000), (56, 132500), (70, 106000), (80, 92750), (100, 74200), (106, 70000), (112, 66250), (125, 59360), (140, 53000), (160, 46375), (175, 42400), (200, 37100), (212, 35000), (224, 33125), (250, 29680), (265, 28000), (280, 26500), (350, 21200), (371, 20000), (400, 18550), (424, 17500), (500, 14840), (530, 14000), (560, 13250), (625, 11872), (700, 10600), (742, 10000), (800, 9275), (848, 8750), (875, 8480), (1000, 7420), (1060, 7000), (1120, 6625), (1250, 5936), (1325, 5600), (1400, 5300), (1484, 5000), (1696, 4375), (1750, 4240), (1855, 4000), (2000, 3710), (2120, 3500), (2500, 2968), (2650, 2800)]