1990204776

素因数分解:

$2^3\times 3^3\times 7^2\times {\mathrm{43}}^1\times {\mathrm{4373}}^1$

素因数の和:4445

約数の個数: 192

約数和(自身を含む): 6581995200

約数和(自身を除く): 4591790424

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 43, 49, 54, 56, 63, 72, 84, 86, 98, 108, 126, 129, 147, 168, 172, 189, 196, 216, 252, 258, 294, 301, 344, 378, 387, 392, 441, 504, 516, 588, 602, 756, 774, 882, 903, 1032, 1161, 1176, 1204, 1323, 1512, 1548, 1764, 1806, 2107, 2322, 2408, 2646, 2709, 3096, 3528, 3612, 4214, 4373, 4644, 5292, 5418, 6321, 7224, 8127, 8428, 8746, 9288, 10584, 10836, 12642, 13119, 16254, 16856, 17492, 18963, 21672, 25284, 26238, 30611, 32508, 34984, 37926, 39357, 50568, 52476, 56889, 61222, 65016, 75852, 78714, 91833, 104952, 113778, 118071, 122444, 151704, 157428, 183666, 188039, 214277, 227556, 236142, 244888, 275499, 314856, 367332, 376078, 428554, 455112, 472284, 550998, 564117, 642831, 734664, 752156, 826497, 857108, 944568, 1101996, 1128234, 1285662, 1316273, 1504312, 1652994, 1692351, 1714216, 1928493, 2203992, 2256468, 2571324, 2632546, 3305988, 3384702, 3856986, 3948819, 4512936, 5077053, 5142648, 5265092, 5785479, 6611976, 6769404, 7713972, 7897638, 9213911, 10154106, 10530184, 11570958, 11846457, 13538808, 15427944, 15795276, 18427822, 20308212, 23141916, 23692914, 27641733, 31590552, 35539371, 36855644, 40616424, 46283832, 47385828, 55283466, 71078742, 73711288, 82925199, 94771656, 110566932, 142157484, 165850398, 221133864, 248775597, 284314968, 331700796, 497551194, 663401592, 995102388, 1990204776]

約数ペア:

[(1, 1990204776), (2, 995102388), (3, 663401592), (4, 497551194), (6, 331700796), (7, 284314968), (8, 248775597), (9, 221133864), (12, 165850398), (14, 142157484), (18, 110566932), (21, 94771656), (24, 82925199), (27, 73711288), (28, 71078742), (36, 55283466), (42, 47385828), (43, 46283832), (49, 40616424), (54, 36855644), (56, 35539371), (63, 31590552), (72, 27641733), (84, 23692914), (86, 23141916), (98, 20308212), (108, 18427822), (126, 15795276), (129, 15427944), (147, 13538808), (168, 11846457), (172, 11570958), (189, 10530184), (196, 10154106), (216, 9213911), (252, 7897638), (258, 7713972), (294, 6769404), (301, 6611976), (344, 5785479), (378, 5265092), (387, 5142648), (392, 5077053), (441, 4512936), (504, 3948819), (516, 3856986), (588, 3384702), (602, 3305988), (756, 2632546), (774, 2571324), (882, 2256468), (903, 2203992), (1032, 1928493), (1161, 1714216), (1176, 1692351), (1204, 1652994), (1323, 1504312), (1512, 1316273), (1548, 1285662), (1764, 1128234), (1806, 1101996), (2107, 944568), (2322, 857108), (2408, 826497), (2646, 752156), (2709, 734664), (3096, 642831), (3528, 564117), (3612, 550998), (4214, 472284), (4373, 455112), (4644, 428554), (5292, 376078), (5418, 367332), (6321, 314856), (7224, 275499), (8127, 244888), (8428, 236142), (8746, 227556), (9288, 214277), (10584, 188039), (10836, 183666), (12642, 157428), (13119, 151704), (16254, 122444), (16856, 118071), (17492, 113778), (18963, 104952), (21672, 91833), (25284, 78714), (26238, 75852), (30611, 65016), (32508, 61222), (34984, 56889), (37926, 52476), (39357, 50568)]