28306850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:180

約数の個数: 96

約数和(自身を含む): 64120896

約数和(自身を除く): 35814046

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 37, 50, 55, 65, 74, 107, 110, 130, 143, 185, 214, 275, 286, 325, 370, 407, 481, 535, 550, 650, 715, 814, 925, 962, 1070, 1177, 1391, 1430, 1850, 2035, 2354, 2405, 2675, 2782, 3575, 3959, 4070, 4810, 5291, 5350, 5885, 6955, 7150, 7918, 10175, 10582, 11770, 12025, 13910, 15301, 19795, 20350, 24050, 26455, 29425, 30602, 34775, 39590, 43549, 51467, 52910, 58850, 69550, 76505, 87098, 98975, 102934, 132275, 153010, 197950, 217745, 257335, 264550, 382525, 435490, 514670, 566137, 765050, 1088725, 1132274, 1286675, 2177450, 2573350, 2830685, 5661370, 14153425, 28306850]

約数ペア:

[(1, 28306850), (2, 14153425), (5, 5661370), (10, 2830685), (11, 2573350), (13, 2177450), (22, 1286675), (25, 1132274), (26, 1088725), (37, 765050), (50, 566137), (55, 514670), (65, 435490), (74, 382525), (107, 264550), (110, 257335), (130, 217745), (143, 197950), (185, 153010), (214, 132275), (275, 102934), (286, 98975), (325, 87098), (370, 76505), (407, 69550), (481, 58850), (535, 52910), (550, 51467), (650, 43549), (715, 39590), (814, 34775), (925, 30602), (962, 29425), (1070, 26455), (1177, 24050), (1391, 20350), (1430, 19795), (1850, 15301), (2035, 13910), (2354, 12025), (2405, 11770), (2675, 10582), (2782, 10175), (3575, 7918), (3959, 7150), (4070, 6955), (4810, 5885), (5291, 5350)]