990290784

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{6791}}^1$

素因数の和:6849

約数の個数: 144

約数和(自身を含む): 3121929216

約数和(自身を除く): 2131638432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 49, 56, 62, 84, 93, 96, 98, 112, 124, 147, 168, 186, 196, 217, 224, 248, 294, 336, 372, 392, 434, 496, 588, 651, 672, 744, 784, 868, 992, 1176, 1302, 1488, 1519, 1568, 1736, 2352, 2604, 2976, 3038, 3472, 4557, 4704, 5208, 6076, 6791, 6944, 9114, 10416, 12152, 13582, 18228, 20373, 20832, 24304, 27164, 36456, 40746, 47537, 48608, 54328, 72912, 81492, 95074, 108656, 142611, 145824, 162984, 190148, 210521, 217312, 285222, 325968, 332759, 380296, 421042, 570444, 631563, 651936, 665518, 760592, 842084, 998277, 1140888, 1263126, 1331036, 1473647, 1521184, 1684168, 1996554, 2281776, 2526252, 2662072, 2947294, 3368336, 3993108, 4420941, 4563552, 5052504, 5324144, 5894588, 6736672, 7986216, 8841882, 10105008, 10315529, 10648288, 11789176, 15972432, 17683764, 20210016, 20631058, 23578352, 30946587, 31944864, 35367528, 41262116, 47156704, 61893174, 70735056, 82524232, 123786348, 141470112, 165048464, 247572696, 330096928, 495145392, 990290784]

約数ペア:

[(1, 990290784), (2, 495145392), (3, 330096928), (4, 247572696), (6, 165048464), (7, 141470112), (8, 123786348), (12, 82524232), (14, 70735056), (16, 61893174), (21, 47156704), (24, 41262116), (28, 35367528), (31, 31944864), (32, 30946587), (42, 23578352), (48, 20631058), (49, 20210016), (56, 17683764), (62, 15972432), (84, 11789176), (93, 10648288), (96, 10315529), (98, 10105008), (112, 8841882), (124, 7986216), (147, 6736672), (168, 5894588), (186, 5324144), (196, 5052504), (217, 4563552), (224, 4420941), (248, 3993108), (294, 3368336), (336, 2947294), (372, 2662072), (392, 2526252), (434, 2281776), (496, 1996554), (588, 1684168), (651, 1521184), (672, 1473647), (744, 1331036), (784, 1263126), (868, 1140888), (992, 998277), (1176, 842084), (1302, 760592), (1488, 665518), (1519, 651936), (1568, 631563), (1736, 570444), (2352, 421042), (2604, 380296), (2976, 332759), (3038, 325968), (3472, 285222), (4557, 217312), (4704, 210521), (5208, 190148), (6076, 162984), (6791, 145824), (6944, 142611), (9114, 108656), (10416, 95074), (12152, 81492), (13582, 72912), (18228, 54328), (20373, 48608), (20832, 47537), (24304, 40746), (27164, 36456)]