18883906280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1\times {\mathrm{599}}^1$

素因数の和:1107

約数の個数: 128

約数和(自身を含む): 44634240000

約数和(自身を除く): 25750333720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 47, 82, 94, 164, 188, 205, 235, 328, 376, 409, 410, 470, 599, 818, 820, 940, 1198, 1636, 1640, 1880, 1927, 2045, 2396, 2995, 3272, 3854, 4090, 4792, 5990, 7708, 8180, 9635, 11980, 15416, 16360, 16769, 19223, 19270, 23960, 24559, 28153, 33538, 38446, 38540, 49118, 56306, 67076, 76892, 77080, 83845, 96115, 98236, 112612, 122795, 134152, 140765, 153784, 167690, 192230, 196472, 225224, 244991, 245590, 281530, 335380, 384460, 489982, 491180, 563060, 670760, 768920, 788143, 979964, 982360, 1126120, 1154273, 1224955, 1576286, 1959928, 2308546, 2449910, 3152572, 3940715, 4617092, 4899820, 5771365, 6305144, 7881430, 9234184, 9799640, 10044631, 11514577, 11542730, 15762860, 20089262, 23029154, 23085460, 31525720, 40178524, 46058308, 46170920, 50223155, 57572885, 80357048, 92116616, 100446310, 115145770, 200892620, 230291540, 401785240, 460583080, 472097657, 944195314, 1888390628, 2360488285, 3776781256, 4720976570, 9441953140, 18883906280]

約数ペア:

[(1, 18883906280), (2, 9441953140), (4, 4720976570), (5, 3776781256), (8, 2360488285), (10, 1888390628), (20, 944195314), (40, 472097657), (41, 460583080), (47, 401785240), (82, 230291540), (94, 200892620), (164, 115145770), (188, 100446310), (205, 92116616), (235, 80357048), (328, 57572885), (376, 50223155), (409, 46170920), (410, 46058308), (470, 40178524), (599, 31525720), (818, 23085460), (820, 23029154), (940, 20089262), (1198, 15762860), (1636, 11542730), (1640, 11514577), (1880, 10044631), (1927, 9799640), (2045, 9234184), (2396, 7881430), (2995, 6305144), (3272, 5771365), (3854, 4899820), (4090, 4617092), (4792, 3940715), (5990, 3152572), (7708, 2449910), (8180, 2308546), (9635, 1959928), (11980, 1576286), (15416, 1224955), (16360, 1154273), (16769, 1126120), (19223, 982360), (19270, 979964), (23960, 788143), (24559, 768920), (28153, 670760), (33538, 563060), (38446, 491180), (38540, 489982), (49118, 384460), (56306, 335380), (67076, 281530), (76892, 245590), (77080, 244991), (83845, 225224), (96115, 196472), (98236, 192230), (112612, 167690), (122795, 153784), (134152, 140765)]