253553860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{479}}^1$

素因数の和:713

約数の個数: 96

約数和(自身を含む): 645120000

約数和(自身を除く): 391566140

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 199, 266, 380, 398, 479, 532, 665, 796, 958, 995, 1330, 1393, 1916, 1990, 2395, 2660, 2786, 3353, 3781, 3980, 4790, 5572, 6706, 6965, 7562, 9101, 9580, 13412, 13930, 15124, 16765, 18202, 18905, 26467, 27860, 33530, 36404, 37810, 45505, 52934, 63707, 67060, 75620, 91010, 95321, 105868, 127414, 132335, 182020, 190642, 254828, 264670, 318535, 381284, 476605, 529340, 637070, 667247, 953210, 1274140, 1334494, 1811099, 1906420, 2668988, 3336235, 3622198, 6672470, 7244396, 9055495, 12677693, 13344940, 18110990, 25355386, 36221980, 50710772, 63388465, 126776930, 253553860]

約数ペア:

[(1, 253553860), (2, 126776930), (4, 63388465), (5, 50710772), (7, 36221980), (10, 25355386), (14, 18110990), (19, 13344940), (20, 12677693), (28, 9055495), (35, 7244396), (38, 6672470), (70, 3622198), (76, 3336235), (95, 2668988), (133, 1906420), (140, 1811099), (190, 1334494), (199, 1274140), (266, 953210), (380, 667247), (398, 637070), (479, 529340), (532, 476605), (665, 381284), (796, 318535), (958, 264670), (995, 254828), (1330, 190642), (1393, 182020), (1916, 132335), (1990, 127414), (2395, 105868), (2660, 95321), (2786, 91010), (3353, 75620), (3781, 67060), (3980, 63707), (4790, 52934), (5572, 45505), (6706, 37810), (6965, 36404), (7562, 33530), (9101, 27860), (9580, 26467), (13412, 18905), (13930, 18202), (15124, 16765)]