384831440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1319}}^1$

素因数の和:1860

約数の個数: 80

約数和(自身を含む): 1025291520

約数和(自身を除く): 640460080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 521, 560, 1042, 1319, 2084, 2605, 2638, 3647, 4168, 5210, 5276, 6595, 7294, 8336, 9233, 10420, 10552, 13190, 14588, 18235, 18466, 20840, 21104, 26380, 29176, 36470, 36932, 41680, 46165, 52760, 58352, 72940, 73864, 92330, 105520, 145880, 147728, 184660, 291760, 369320, 687199, 738640, 1374398, 2748796, 3435995, 4810393, 5497592, 6871990, 9620786, 10995184, 13743980, 19241572, 24051965, 27487960, 38483144, 48103930, 54975920, 76966288, 96207860, 192415720, 384831440]

約数ペア:

[(1, 384831440), (2, 192415720), (4, 96207860), (5, 76966288), (7, 54975920), (8, 48103930), (10, 38483144), (14, 27487960), (16, 24051965), (20, 19241572), (28, 13743980), (35, 10995184), (40, 9620786), (56, 6871990), (70, 5497592), (80, 4810393), (112, 3435995), (140, 2748796), (280, 1374398), (521, 738640), (560, 687199), (1042, 369320), (1319, 291760), (2084, 184660), (2605, 147728), (2638, 145880), (3647, 105520), (4168, 92330), (5210, 73864), (5276, 72940), (6595, 58352), (7294, 52760), (8336, 46165), (9233, 41680), (10420, 36932), (10552, 36470), (13190, 29176), (14588, 26380), (18235, 21104), (18466, 20840)]