221907.00000000

素因数分解:

$2^1\times 3^4\times 5^2\times 7^1\times {\mathrm{1901}}^1$

素因数の和:1932

約数の個数: 120

約数和(自身を含む): 171225648

約数和(自身を除く): 117332298

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 50, 54, 63, 70, 75, 81, 90, 105, 126, 135, 150, 162, 175, 189, 210, 225, 270, 315, 350, 378, 405, 450, 525, 567, 630, 675, 810, 945, 1050, 1134, 1350, 1575, 1890, 1901, 2025, 2835, 3150, 3802, 4050, 4725, 5670, 5703, 9450, 9505, 11406, 13307, 14175, 17109, 19010, 26614, 28350, 28515, 34218, 39921, 47525, 51327, 57030, 66535, 79842, 85545, 95050, 102654, 119763, 133070, 142575, 153981, 171090, 199605, 239526, 256635, 285150, 307962, 332675, 359289, 399210, 427725, 513270, 598815, 665350, 718578, 769905, 855450, 998025, 1077867, 1197630, 1283175, 1539810, 1796445, 1996050, 2155734, 2566350, 2994075, 3592890, 3849525, 5389335, 5988150, 7699050, 8982225, 10778670, 17964450, 26946675, 53893350]

約数ペア:

[(1, 53893350), (2, 26946675), (3, 17964450), (5, 10778670), (6, 8982225), (7, 7699050), (9, 5988150), (10, 5389335), (14, 3849525), (15, 3592890), (18, 2994075), (21, 2566350), (25, 2155734), (27, 1996050), (30, 1796445), (35, 1539810), (42, 1283175), (45, 1197630), (50, 1077867), (54, 998025), (63, 855450), (70, 769905), (75, 718578), (81, 665350), (90, 598815), (105, 513270), (126, 427725), (135, 399210), (150, 359289), (162, 332675), (175, 307962), (189, 285150), (210, 256635), (225, 239526), (270, 199605), (315, 171090), (350, 153981), (378, 142575), (405, 133070), (450, 119763), (525, 102654), (567, 95050), (630, 85545), (675, 79842), (810, 66535), (945, 57030), (1050, 51327), (1134, 47525), (1350, 39921), (1575, 34218), (1890, 28515), (1901, 28350), (2025, 26614), (2835, 19010), (3150, 17109), (3802, 14175), (4050, 13307), (4725, 11406), (5670, 9505), (5703, 9450)]