221314280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1151}}^1$

素因数の和:1215

約数の個数: 128

約数和(自身を含む): 597196800

約数和(自身を除く): 375882520

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 23, 38, 40, 44, 46, 55, 76, 88, 92, 95, 110, 115, 152, 184, 190, 209, 220, 230, 253, 380, 418, 437, 440, 460, 506, 760, 836, 874, 920, 1012, 1045, 1151, 1265, 1672, 1748, 2024, 2090, 2185, 2302, 2530, 3496, 4180, 4370, 4604, 4807, 5060, 5755, 8360, 8740, 9208, 9614, 10120, 11510, 12661, 17480, 19228, 21869, 23020, 24035, 25322, 26473, 38456, 43738, 46040, 48070, 50644, 52946, 63305, 87476, 96140, 101288, 105892, 109345, 126610, 132365, 174952, 192280, 211784, 218690, 240559, 253220, 264730, 291203, 437380, 481118, 502987, 506440, 529460, 582406, 874760, 962236, 1005974, 1058920, 1164812, 1202795, 1456015, 1924472, 2011948, 2329624, 2405590, 2514935, 2912030, 4023896, 4811180, 5029870, 5532857, 5824060, 9622360, 10059740, 11065714, 11648120, 20119480, 22131428, 27664285, 44262856, 55328570, 110657140, 221314280]

約数ペア:

[(1, 221314280), (2, 110657140), (4, 55328570), (5, 44262856), (8, 27664285), (10, 22131428), (11, 20119480), (19, 11648120), (20, 11065714), (22, 10059740), (23, 9622360), (38, 5824060), (40, 5532857), (44, 5029870), (46, 4811180), (55, 4023896), (76, 2912030), (88, 2514935), (92, 2405590), (95, 2329624), (110, 2011948), (115, 1924472), (152, 1456015), (184, 1202795), (190, 1164812), (209, 1058920), (220, 1005974), (230, 962236), (253, 874760), (380, 582406), (418, 529460), (437, 506440), (440, 502987), (460, 481118), (506, 437380), (760, 291203), (836, 264730), (874, 253220), (920, 240559), (1012, 218690), (1045, 211784), (1151, 192280), (1265, 174952), (1672, 132365), (1748, 126610), (2024, 109345), (2090, 105892), (2185, 101288), (2302, 96140), (2530, 87476), (3496, 63305), (4180, 52946), (4370, 50644), (4604, 48070), (4807, 46040), (5060, 43738), (5755, 38456), (8360, 26473), (8740, 25322), (9208, 24035), (9614, 23020), (10120, 21869), (11510, 19228), (12661, 17480)]