326311825

素因数分解:

$5^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 494265240

約数和(自身を除く): 167953415

約数列:

[1, 5, 7, 25, 35, 41, 49, 73, 89, 175, 205, 245, 287, 365, 445, 511, 623, 1025, 1225, 1435, 1825, 2009, 2225, 2555, 2993, 3115, 3577, 3649, 4361, 6497, 7175, 10045, 12775, 14965, 15575, 17885, 18245, 20951, 21805, 25543, 32485, 45479, 50225, 74825, 89425, 91225, 104755, 109025, 127715, 146657, 162425, 178801, 227395, 266377, 318353, 523775, 638575, 733285, 894005, 1136975, 1331885, 1591765, 1864639, 3666425, 4470025, 6659425, 7958825, 9323195, 13052473, 46615975, 65262365, 326311825]

約数ペア:

[(1, 326311825), (5, 65262365), (7, 46615975), (25, 13052473), (35, 9323195), (41, 7958825), (49, 6659425), (73, 4470025), (89, 3666425), (175, 1864639), (205, 1591765), (245, 1331885), (287, 1136975), (365, 894005), (445, 733285), (511, 638575), (623, 523775), (1025, 318353), (1225, 266377), (1435, 227395), (1825, 178801), (2009, 162425), (2225, 146657), (2555, 127715), (2993, 109025), (3115, 104755), (3577, 91225), (3649, 89425), (4361, 74825), (6497, 50225), (7175, 45479), (10045, 32485), (12775, 25543), (14965, 21805), (15575, 20951), (17885, 18245)]