13951000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{1993}}^1$

素因数の和:2021

約数の個数: 64

約数和(自身を含む): 37327680

約数和(自身を除く): 23376680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 1993, 3500, 3986, 7000, 7972, 9965, 13951, 15944, 19930, 27902, 39860, 49825, 55804, 69755, 79720, 99650, 111608, 139510, 199300, 249125, 279020, 348775, 398600, 498250, 558040, 697550, 996500, 1395100, 1743875, 1993000, 2790200, 3487750, 6975500, 13951000]

約数ペア:

[(1, 13951000), (2, 6975500), (4, 3487750), (5, 2790200), (7, 1993000), (8, 1743875), (10, 1395100), (14, 996500), (20, 697550), (25, 558040), (28, 498250), (35, 398600), (40, 348775), (50, 279020), (56, 249125), (70, 199300), (100, 139510), (125, 111608), (140, 99650), (175, 79720), (200, 69755), (250, 55804), (280, 49825), (350, 39860), (500, 27902), (700, 19930), (875, 15944), (1000, 13951), (1400, 9965), (1750, 7972), (1993, 7000), (3500, 3986)]