980279000

素因数分解:

$2^3\times 5^3\times {\mathrm{47}}^1\times {\mathrm{20857}}^1$

素因数の和:20925

約数の個数: 64

約数和(自身を含む): 2342770560

約数和(自身を除く): 1362491560

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 94, 100, 125, 188, 200, 235, 250, 376, 470, 500, 940, 1000, 1175, 1880, 2350, 4700, 5875, 9400, 11750, 20857, 23500, 41714, 47000, 83428, 104285, 166856, 208570, 417140, 521425, 834280, 980279, 1042850, 1960558, 2085700, 2607125, 3921116, 4171400, 4901395, 5214250, 7842232, 9802790, 10428500, 19605580, 20857000, 24506975, 39211160, 49013950, 98027900, 122534875, 196055800, 245069750, 490139500, 980279000]

約数ペア:

[(1, 980279000), (2, 490139500), (4, 245069750), (5, 196055800), (8, 122534875), (10, 98027900), (20, 49013950), (25, 39211160), (40, 24506975), (47, 20857000), (50, 19605580), (94, 10428500), (100, 9802790), (125, 7842232), (188, 5214250), (200, 4901395), (235, 4171400), (250, 3921116), (376, 2607125), (470, 2085700), (500, 1960558), (940, 1042850), (1000, 980279), (1175, 834280), (1880, 521425), (2350, 417140), (4700, 208570), (5875, 166856), (9400, 104285), (11750, 83428), (20857, 47000), (23500, 41714)]