1996620325

素因数分解:

$5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{1039}}^1$

素因数の和:1274

約数の個数: 48

約数和(自身を含む): 2888704000

約数和(自身を除く): 892083675

約数列:

[1, 5, 7, 25, 35, 79, 139, 175, 395, 553, 695, 973, 1039, 1975, 2765, 3475, 4865, 5195, 7273, 10981, 13825, 24325, 25975, 36365, 54905, 76867, 82081, 144421, 181825, 274525, 384335, 410405, 574567, 722105, 1010947, 1921675, 2052025, 2872835, 3610525, 5054735, 11409259, 14364175, 25273675, 57046295, 79864813, 285231475, 399324065, 1996620325]

約数ペア:

[(1, 1996620325), (5, 399324065), (7, 285231475), (25, 79864813), (35, 57046295), (79, 25273675), (139, 14364175), (175, 11409259), (395, 5054735), (553, 3610525), (695, 2872835), (973, 2052025), (1039, 1921675), (1975, 1010947), (2765, 722105), (3475, 574567), (4865, 410405), (5195, 384335), (7273, 274525), (10981, 181825), (13825, 144421), (24325, 82081), (25975, 76867), (36365, 54905)]