87430000

素因数分解:

$2^4\times 5^4\times 7^1\times {\mathrm{1249}}^1$

素因数の和:1284

約数の個数: 100

約数和(自身を含む): 242110000

約数和(自身を除く): 154680000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 500, 560, 625, 700, 875, 1000, 1249, 1250, 1400, 1750, 2000, 2498, 2500, 2800, 3500, 4375, 4996, 5000, 6245, 7000, 8743, 8750, 9992, 10000, 12490, 14000, 17486, 17500, 19984, 24980, 31225, 34972, 35000, 43715, 49960, 62450, 69944, 70000, 87430, 99920, 124900, 139888, 156125, 174860, 218575, 249800, 312250, 349720, 437150, 499600, 624500, 699440, 780625, 874300, 1092875, 1249000, 1561250, 1748600, 2185750, 2498000, 3122500, 3497200, 4371500, 5464375, 6245000, 8743000, 10928750, 12490000, 17486000, 21857500, 43715000, 87430000]

約数ペア:

[(1, 87430000), (2, 43715000), (4, 21857500), (5, 17486000), (7, 12490000), (8, 10928750), (10, 8743000), (14, 6245000), (16, 5464375), (20, 4371500), (25, 3497200), (28, 3122500), (35, 2498000), (40, 2185750), (50, 1748600), (56, 1561250), (70, 1249000), (80, 1092875), (100, 874300), (112, 780625), (125, 699440), (140, 624500), (175, 499600), (200, 437150), (250, 349720), (280, 312250), (350, 249800), (400, 218575), (500, 174860), (560, 156125), (625, 139888), (700, 124900), (875, 99920), (1000, 87430), (1249, 70000), (1250, 69944), (1400, 62450), (1750, 49960), (2000, 43715), (2498, 35000), (2500, 34972), (2800, 31225), (3500, 24980), (4375, 19984), (4996, 17500), (5000, 17486), (6245, 14000), (7000, 12490), (8743, 10000), (8750, 9992)]