66664400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:277

約数の個数: 120

約数和(自身を含む): 177592800

約数和(自身を除く): 110928400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 109, 110, 139, 176, 200, 218, 220, 275, 278, 400, 436, 440, 545, 550, 556, 695, 872, 880, 1090, 1100, 1112, 1199, 1390, 1529, 1744, 2180, 2200, 2224, 2398, 2725, 2780, 3058, 3475, 4360, 4400, 4796, 5450, 5560, 5995, 6116, 6950, 7645, 8720, 9592, 10900, 11120, 11990, 12232, 13900, 15151, 15290, 19184, 21800, 23980, 24464, 27800, 29975, 30302, 30580, 38225, 43600, 47960, 55600, 59950, 60604, 61160, 75755, 76450, 95920, 119900, 121208, 122320, 151510, 152900, 166661, 239800, 242416, 303020, 305800, 333322, 378775, 479600, 606040, 611600, 666644, 757550, 833305, 1212080, 1333288, 1515100, 1666610, 2666576, 3030200, 3333220, 4166525, 6060400, 6666440, 8333050, 13332880, 16666100, 33332200, 66664400]

約数ペア:

[(1, 66664400), (2, 33332200), (4, 16666100), (5, 13332880), (8, 8333050), (10, 6666440), (11, 6060400), (16, 4166525), (20, 3333220), (22, 3030200), (25, 2666576), (40, 1666610), (44, 1515100), (50, 1333288), (55, 1212080), (80, 833305), (88, 757550), (100, 666644), (109, 611600), (110, 606040), (139, 479600), (176, 378775), (200, 333322), (218, 305800), (220, 303020), (275, 242416), (278, 239800), (400, 166661), (436, 152900), (440, 151510), (545, 122320), (550, 121208), (556, 119900), (695, 95920), (872, 76450), (880, 75755), (1090, 61160), (1100, 60604), (1112, 59950), (1199, 55600), (1390, 47960), (1529, 43600), (1744, 38225), (2180, 30580), (2200, 30302), (2224, 29975), (2398, 27800), (2725, 24464), (2780, 23980), (3058, 21800), (3475, 19184), (4360, 15290), (4400, 15151), (4796, 13900), (5450, 12232), (5560, 11990), (5995, 11120), (6116, 10900), (6950, 9592), (7645, 8720)]