1990120104

素因数分解:

$2^3\times 3^4\times 7^2\times {\mathrm{233}}^1\times {\mathrm{269}}^1$

素因数の和:534

約数の個数: 240

約数和(自身を含む): 6536286900

約数和(自身を除く): 4546166796

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 49, 54, 56, 63, 72, 81, 84, 98, 108, 126, 147, 162, 168, 189, 196, 216, 233, 252, 269, 294, 324, 378, 392, 441, 466, 504, 538, 567, 588, 648, 699, 756, 807, 882, 932, 1076, 1134, 1176, 1323, 1398, 1512, 1614, 1631, 1764, 1864, 1883, 2097, 2152, 2268, 2421, 2646, 2796, 3228, 3262, 3528, 3766, 3969, 4194, 4536, 4842, 4893, 5292, 5592, 5649, 6291, 6456, 6524, 7263, 7532, 7938, 8388, 9684, 9786, 10584, 11298, 11417, 12582, 13048, 13181, 14526, 14679, 15064, 15876, 16776, 16947, 18873, 19368, 19572, 21789, 22596, 22834, 25164, 26362, 29052, 29358, 31752, 33894, 34251, 37746, 39144, 39543, 43578, 44037, 45192, 45668, 50328, 50841, 52724, 58104, 58716, 62677, 67788, 68502, 75492, 79086, 87156, 88074, 91336, 101682, 102753, 105448, 117432, 118629, 125354, 132111, 135576, 137004, 150984, 152523, 158172, 174312, 176148, 188031, 203364, 205506, 237258, 250708, 264222, 274008, 305046, 308259, 316344, 352296, 355887, 376062, 406728, 411012, 438739, 474516, 501416, 528444, 564093, 610092, 616518, 711774, 752124, 822024, 877478, 924777, 949032, 1056888, 1067661, 1128186, 1220184, 1233036, 1316217, 1423548, 1504248, 1692279, 1754956, 1849554, 2135322, 2256372, 2466072, 2632434, 2847096, 3071173, 3384558, 3509912, 3699108, 3948651, 4270644, 4512744, 5076837, 5264868, 6142346, 6769116, 7398216, 7897302, 8541288, 9213519, 10153674, 10529736, 11845953, 12284692, 13538232, 15794604, 18427038, 20307348, 23691906, 24569384, 27640557, 31589208, 35537859, 36854076, 40614696, 47383812, 55281114, 71075718, 73708152, 82921671, 94767624, 110562228, 142151436, 165843342, 221124456, 248765013, 284302872, 331686684, 497530026, 663373368, 995060052, 1990120104]

約数ペア:

[(1, 1990120104), (2, 995060052), (3, 663373368), (4, 497530026), (6, 331686684), (7, 284302872), (8, 248765013), (9, 221124456), (12, 165843342), (14, 142151436), (18, 110562228), (21, 94767624), (24, 82921671), (27, 73708152), (28, 71075718), (36, 55281114), (42, 47383812), (49, 40614696), (54, 36854076), (56, 35537859), (63, 31589208), (72, 27640557), (81, 24569384), (84, 23691906), (98, 20307348), (108, 18427038), (126, 15794604), (147, 13538232), (162, 12284692), (168, 11845953), (189, 10529736), (196, 10153674), (216, 9213519), (233, 8541288), (252, 7897302), (269, 7398216), (294, 6769116), (324, 6142346), (378, 5264868), (392, 5076837), (441, 4512744), (466, 4270644), (504, 3948651), (538, 3699108), (567, 3509912), (588, 3384558), (648, 3071173), (699, 2847096), (756, 2632434), (807, 2466072), (882, 2256372), (932, 2135322), (1076, 1849554), (1134, 1754956), (1176, 1692279), (1323, 1504248), (1398, 1423548), (1512, 1316217), (1614, 1233036), (1631, 1220184), (1764, 1128186), (1864, 1067661), (1883, 1056888), (2097, 949032), (2152, 924777), (2268, 877478), (2421, 822024), (2646, 752124), (2796, 711774), (3228, 616518), (3262, 610092), (3528, 564093), (3766, 528444), (3969, 501416), (4194, 474516), (4536, 438739), (4842, 411012), (4893, 406728), (5292, 376062), (5592, 355887), (5649, 352296), (6291, 316344), (6456, 308259), (6524, 305046), (7263, 274008), (7532, 264222), (7938, 250708), (8388, 237258), (9684, 205506), (9786, 203364), (10584, 188031), (11298, 176148), (11417, 174312), (12582, 158172), (13048, 152523), (13181, 150984), (14526, 137004), (14679, 135576), (15064, 132111), (15876, 125354), (16776, 118629), (16947, 117432), (18873, 105448), (19368, 102753), (19572, 101682), (21789, 91336), (22596, 88074), (22834, 87156), (25164, 79086), (26362, 75492), (29052, 68502), (29358, 67788), (31752, 62677), (33894, 58716), (34251, 58104), (37746, 52724), (39144, 50841), (39543, 50328), (43578, 45668), (44037, 45192)]