990855852

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2861}}^1$

素因数の和:2932

約数の個数: 144

約数和(自身を含む): 2923361280

約数和(自身を除く): 1932505428

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 31, 38, 42, 49, 57, 62, 76, 84, 93, 98, 114, 124, 133, 147, 186, 196, 217, 228, 266, 294, 372, 399, 434, 532, 588, 589, 651, 798, 868, 931, 1178, 1302, 1519, 1596, 1767, 1862, 2356, 2604, 2793, 2861, 3038, 3534, 3724, 4123, 4557, 5586, 5722, 6076, 7068, 8246, 8583, 9114, 11172, 11444, 12369, 16492, 17166, 18228, 20027, 24738, 28861, 34332, 40054, 49476, 54359, 57722, 60081, 80108, 86583, 88691, 108718, 115444, 120162, 140189, 163077, 173166, 177382, 217436, 240324, 266073, 280378, 326154, 346332, 354764, 380513, 420567, 532146, 560756, 620837, 652308, 761026, 841134, 1064292, 1141539, 1241674, 1522052, 1682268, 1685129, 1862511, 2283078, 2483348, 2663591, 3370258, 3725022, 4345859, 4566156, 5055387, 5327182, 6740516, 7450044, 7990773, 8691718, 10110774, 10654364, 11795903, 13037577, 15981546, 17383436, 20221548, 23591806, 26075154, 31963092, 35387709, 47183612, 52150308, 70775418, 82571321, 141550836, 165142642, 247713963, 330285284, 495427926, 990855852]

約数ペア:

[(1, 990855852), (2, 495427926), (3, 330285284), (4, 247713963), (6, 165142642), (7, 141550836), (12, 82571321), (14, 70775418), (19, 52150308), (21, 47183612), (28, 35387709), (31, 31963092), (38, 26075154), (42, 23591806), (49, 20221548), (57, 17383436), (62, 15981546), (76, 13037577), (84, 11795903), (93, 10654364), (98, 10110774), (114, 8691718), (124, 7990773), (133, 7450044), (147, 6740516), (186, 5327182), (196, 5055387), (217, 4566156), (228, 4345859), (266, 3725022), (294, 3370258), (372, 2663591), (399, 2483348), (434, 2283078), (532, 1862511), (588, 1685129), (589, 1682268), (651, 1522052), (798, 1241674), (868, 1141539), (931, 1064292), (1178, 841134), (1302, 761026), (1519, 652308), (1596, 620837), (1767, 560756), (1862, 532146), (2356, 420567), (2604, 380513), (2793, 354764), (2861, 346332), (3038, 326154), (3534, 280378), (3724, 266073), (4123, 240324), (4557, 217436), (5586, 177382), (5722, 173166), (6076, 163077), (7068, 140189), (8246, 120162), (8583, 115444), (9114, 108718), (11172, 88691), (11444, 86583), (12369, 80108), (16492, 60081), (17166, 57722), (18228, 54359), (20027, 49476), (24738, 40054), (28861, 34332)]