393479940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{719}}^1\times {\mathrm{1303}}^1$

素因数の和:2041

約数の個数: 96

約数和(自身を含む): 1261854720

約数和(自身を除く): 868374780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 719, 1303, 1438, 2157, 2606, 2876, 3595, 3909, 4314, 5033, 5212, 6515, 7190, 7818, 8628, 9121, 10066, 10785, 13030, 14380, 15099, 15636, 18242, 19545, 20132, 21570, 25165, 26060, 27363, 30198, 36484, 39090, 43140, 45605, 50330, 54726, 60396, 75495, 78180, 91210, 100660, 109452, 136815, 150990, 182420, 273630, 301980, 547260, 936857, 1873714, 2810571, 3747428, 4684285, 5621142, 6557999, 9368570, 11242284, 13115998, 14052855, 18737140, 19673997, 26231996, 28105710, 32789995, 39347994, 56211420, 65579990, 78695988, 98369985, 131159980, 196739970, 393479940]

約数ペア:

[(1, 393479940), (2, 196739970), (3, 131159980), (4, 98369985), (5, 78695988), (6, 65579990), (7, 56211420), (10, 39347994), (12, 32789995), (14, 28105710), (15, 26231996), (20, 19673997), (21, 18737140), (28, 14052855), (30, 13115998), (35, 11242284), (42, 9368570), (60, 6557999), (70, 5621142), (84, 4684285), (105, 3747428), (140, 2810571), (210, 1873714), (420, 936857), (719, 547260), (1303, 301980), (1438, 273630), (2157, 182420), (2606, 150990), (2876, 136815), (3595, 109452), (3909, 100660), (4314, 91210), (5033, 78180), (5212, 75495), (6515, 60396), (7190, 54726), (7818, 50330), (8628, 45605), (9121, 43140), (10066, 39090), (10785, 36484), (13030, 30198), (14380, 27363), (15099, 26060), (15636, 25165), (18242, 21570), (19545, 20132)]