203421295

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 319334400

約数和(自身を除く): 115913105

約数列:

[1, 5, 7, 11, 35, 41, 49, 55, 77, 205, 245, 263, 287, 343, 385, 451, 539, 1315, 1435, 1715, 1841, 2009, 2255, 2695, 2893, 3157, 3773, 9205, 10045, 10783, 12887, 14063, 14465, 15785, 18865, 20251, 22099, 53915, 64435, 70315, 75481, 90209, 101255, 110495, 118613, 141757, 154693, 377405, 451045, 528367, 593065, 708785, 773465, 830291, 992299, 2641835, 3698569, 4151455, 4961495, 5812037, 18492845, 29060185, 40684259, 203421295]

約数ペア:

[(1, 203421295), (5, 40684259), (7, 29060185), (11, 18492845), (35, 5812037), (41, 4961495), (49, 4151455), (55, 3698569), (77, 2641835), (205, 992299), (245, 830291), (263, 773465), (287, 708785), (343, 593065), (385, 528367), (451, 451045), (539, 377405), (1315, 154693), (1435, 141757), (1715, 118613), (1841, 110495), (2009, 101255), (2255, 90209), (2695, 75481), (2893, 70315), (3157, 64435), (3773, 53915), (9205, 22099), (10045, 20251), (10783, 18865), (12887, 15785), (14063, 14465)]