490790718

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:359

約数の個数: 128

約数和(自身を含む): 1238423040

約数和(自身を除く): 747632322

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 37, 54, 66, 74, 99, 111, 137, 163, 198, 222, 274, 297, 326, 333, 407, 411, 489, 594, 666, 814, 822, 978, 999, 1221, 1233, 1467, 1507, 1793, 1998, 2442, 2466, 2934, 3014, 3586, 3663, 3699, 4401, 4521, 5069, 5379, 6031, 7326, 7398, 8802, 9042, 10138, 10758, 10989, 12062, 13563, 15207, 16137, 18093, 21978, 22331, 27126, 30414, 32274, 36186, 40689, 44662, 45621, 48411, 54279, 55759, 66341, 66993, 81378, 91242, 96822, 108558, 111518, 132682, 133986, 136863, 162837, 167277, 199023, 200979, 245641, 273726, 325674, 334554, 398046, 401958, 491282, 501831, 597069, 602937, 736923, 826247, 1003662, 1194138, 1205874, 1473846, 1505493, 1652494, 1791207, 2210769, 2478741, 3010986, 3582414, 4421538, 4957482, 6632307, 7436223, 9088717, 13264614, 14872446, 18177434, 22308669, 27266151, 44617338, 54532302, 81798453, 163596906, 245395359, 490790718]

約数ペア:

[(1, 490790718), (2, 245395359), (3, 163596906), (6, 81798453), (9, 54532302), (11, 44617338), (18, 27266151), (22, 22308669), (27, 18177434), (33, 14872446), (37, 13264614), (54, 9088717), (66, 7436223), (74, 6632307), (99, 4957482), (111, 4421538), (137, 3582414), (163, 3010986), (198, 2478741), (222, 2210769), (274, 1791207), (297, 1652494), (326, 1505493), (333, 1473846), (407, 1205874), (411, 1194138), (489, 1003662), (594, 826247), (666, 736923), (814, 602937), (822, 597069), (978, 501831), (999, 491282), (1221, 401958), (1233, 398046), (1467, 334554), (1507, 325674), (1793, 273726), (1998, 245641), (2442, 200979), (2466, 199023), (2934, 167277), (3014, 162837), (3586, 136863), (3663, 133986), (3699, 132682), (4401, 111518), (4521, 108558), (5069, 96822), (5379, 91242), (6031, 81378), (7326, 66993), (7398, 66341), (8802, 55759), (9042, 54279), (10138, 48411), (10758, 45621), (10989, 44662), (12062, 40689), (13563, 36186), (15207, 32274), (16137, 30414), (18093, 27126), (21978, 22331)]