247659440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{467}}^1\times {\mathrm{947}}^1$

素因数の和:1434

約数の個数: 80

約数和(自身を含む): 660172032

約数和(自身を除く): 412512592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 467, 560, 934, 947, 1868, 1894, 2335, 3269, 3736, 3788, 4670, 4735, 6538, 6629, 7472, 7576, 9340, 9470, 13076, 13258, 15152, 16345, 18680, 18940, 26152, 26516, 32690, 33145, 37360, 37880, 52304, 53032, 65380, 66290, 75760, 106064, 130760, 132580, 261520, 265160, 442249, 530320, 884498, 1768996, 2211245, 3095743, 3537992, 4422490, 6191486, 7075984, 8844980, 12382972, 15478715, 17689960, 24765944, 30957430, 35379920, 49531888, 61914860, 123829720, 247659440]

約数ペア:

[(1, 247659440), (2, 123829720), (4, 61914860), (5, 49531888), (7, 35379920), (8, 30957430), (10, 24765944), (14, 17689960), (16, 15478715), (20, 12382972), (28, 8844980), (35, 7075984), (40, 6191486), (56, 4422490), (70, 3537992), (80, 3095743), (112, 2211245), (140, 1768996), (280, 884498), (467, 530320), (560, 442249), (934, 265160), (947, 261520), (1868, 132580), (1894, 130760), (2335, 106064), (3269, 75760), (3736, 66290), (3788, 65380), (4670, 53032), (4735, 52304), (6538, 37880), (6629, 37360), (7472, 33145), (7576, 32690), (9340, 26516), (9470, 26152), (13076, 18940), (13258, 18680), (15152, 16345)]