19990322440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{65183}}^1$

素因数の和:65263

約数の個数: 128

約数和(自身を含む): 53221432320

約数和(自身を除く): 33231109880

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 41, 44, 55, 68, 82, 85, 88, 110, 136, 164, 170, 187, 205, 220, 328, 340, 374, 410, 440, 451, 680, 697, 748, 820, 902, 935, 1394, 1496, 1640, 1804, 1870, 2255, 2788, 3485, 3608, 3740, 4510, 5576, 6970, 7480, 7667, 9020, 13940, 15334, 18040, 27880, 30668, 38335, 61336, 65183, 76670, 130366, 153340, 260732, 306680, 325915, 521464, 651830, 717013, 1108111, 1303660, 1434026, 2216222, 2607320, 2672503, 2868052, 3585065, 4432444, 5345006, 5540555, 5736104, 7170130, 8864888, 10690012, 11081110, 12189221, 13362515, 14340260, 21380024, 22162220, 24378442, 26725030, 28680520, 29397533, 44324440, 45432551, 48756884, 53450060, 58795066, 60946105, 90865102, 97513768, 106900120, 117590132, 121892210, 146987665, 181730204, 227162755, 235180264, 243784420, 293975330, 363460408, 454325510, 487568840, 499758061, 587950660, 908651020, 999516122, 1175901320, 1817302040, 1999032244, 2498790305, 3998064488, 4997580610, 9995161220, 19990322440]

約数ペア:

[(1, 19990322440), (2, 9995161220), (4, 4997580610), (5, 3998064488), (8, 2498790305), (10, 1999032244), (11, 1817302040), (17, 1175901320), (20, 999516122), (22, 908651020), (34, 587950660), (40, 499758061), (41, 487568840), (44, 454325510), (55, 363460408), (68, 293975330), (82, 243784420), (85, 235180264), (88, 227162755), (110, 181730204), (136, 146987665), (164, 121892210), (170, 117590132), (187, 106900120), (205, 97513768), (220, 90865102), (328, 60946105), (340, 58795066), (374, 53450060), (410, 48756884), (440, 45432551), (451, 44324440), (680, 29397533), (697, 28680520), (748, 26725030), (820, 24378442), (902, 22162220), (935, 21380024), (1394, 14340260), (1496, 13362515), (1640, 12189221), (1804, 11081110), (1870, 10690012), (2255, 8864888), (2788, 7170130), (3485, 5736104), (3608, 5540555), (3740, 5345006), (4510, 4432444), (5576, 3585065), (6970, 2868052), (7480, 2672503), (7667, 2607320), (9020, 2216222), (13940, 1434026), (15334, 1303660), (18040, 1108111), (27880, 717013), (30668, 651830), (38335, 521464), (61336, 325915), (65183, 306680), (76670, 260732), (130366, 153340)]