725940145

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2741}}^1$

素因数の和:2830

約数の個数: 48

約数和(自身を含む): 1080304128

約数和(自身を除く): 354363983

約数列:

[1, 5, 7, 23, 35, 47, 49, 115, 161, 235, 245, 329, 805, 1081, 1127, 1645, 2303, 2741, 5405, 5635, 7567, 11515, 13705, 19187, 37835, 52969, 63043, 95935, 128827, 134309, 264845, 315215, 441301, 644135, 671545, 901789, 2206505, 2963021, 3089107, 4508945, 6312523, 14815105, 15445535, 20741147, 31562615, 103705735, 145188029, 725940145]

約数ペア:

[(1, 725940145), (5, 145188029), (7, 103705735), (23, 31562615), (35, 20741147), (47, 15445535), (49, 14815105), (115, 6312523), (161, 4508945), (235, 3089107), (245, 2963021), (329, 2206505), (805, 901789), (1081, 671545), (1127, 644135), (1645, 441301), (2303, 315215), (2741, 264845), (5405, 134309), (5635, 128827), (7567, 95935), (11515, 63043), (13705, 52969), (19187, 37835)]