1859830840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{1367}}^1$

素因数の和:1541

約数の個数: 128

約数和(自身を含む): 4940559360

約数和(自身を除く): 3080728520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 113, 140, 172, 215, 226, 280, 301, 344, 430, 452, 565, 602, 791, 860, 904, 1130, 1204, 1367, 1505, 1582, 1720, 2260, 2408, 2734, 3010, 3164, 3955, 4520, 4859, 5468, 6020, 6328, 6835, 7910, 9569, 9718, 10936, 12040, 13670, 15820, 19138, 19436, 24295, 27340, 31640, 34013, 38276, 38872, 47845, 48590, 54680, 58781, 68026, 76552, 95690, 97180, 117562, 136052, 154471, 170065, 191380, 194360, 235124, 272104, 293905, 308942, 340130, 382760, 411467, 470248, 587810, 617884, 680260, 772355, 822934, 1081297, 1175620, 1235768, 1360520, 1544710, 1645868, 2057335, 2162594, 2351240, 3089420, 3291736, 4114670, 4325188, 5406485, 6178840, 6642253, 8229340, 8650376, 10812970, 13284506, 16458680, 21625940, 26569012, 33211265, 43251880, 46495771, 53138024, 66422530, 92991542, 132845060, 185983084, 232478855, 265690120, 371966168, 464957710, 929915420, 1859830840]

約数ペア:

[(1, 1859830840), (2, 929915420), (4, 464957710), (5, 371966168), (7, 265690120), (8, 232478855), (10, 185983084), (14, 132845060), (20, 92991542), (28, 66422530), (35, 53138024), (40, 46495771), (43, 43251880), (56, 33211265), (70, 26569012), (86, 21625940), (113, 16458680), (140, 13284506), (172, 10812970), (215, 8650376), (226, 8229340), (280, 6642253), (301, 6178840), (344, 5406485), (430, 4325188), (452, 4114670), (565, 3291736), (602, 3089420), (791, 2351240), (860, 2162594), (904, 2057335), (1130, 1645868), (1204, 1544710), (1367, 1360520), (1505, 1235768), (1582, 1175620), (1720, 1081297), (2260, 822934), (2408, 772355), (2734, 680260), (3010, 617884), (3164, 587810), (3955, 470248), (4520, 411467), (4859, 382760), (5468, 340130), (6020, 308942), (6328, 293905), (6835, 272104), (7910, 235124), (9569, 194360), (9718, 191380), (10936, 170065), (12040, 154471), (13670, 136052), (15820, 117562), (19138, 97180), (19436, 95690), (24295, 76552), (27340, 68026), (31640, 58781), (34013, 54680), (38276, 48590), (38872, 47845)]