7733320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 20217600

約数和(自身を除く): 12484280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 389, 497, 568, 710, 778, 994, 1420, 1556, 1945, 1988, 2485, 2723, 2840, 3112, 3890, 3976, 4970, 5446, 7780, 9940, 10892, 13615, 15560, 19880, 21784, 27230, 27619, 54460, 55238, 108920, 110476, 138095, 193333, 220952, 276190, 386666, 552380, 773332, 966665, 1104760, 1546664, 1933330, 3866660, 7733320]

約数ペア:

[(1, 7733320), (2, 3866660), (4, 1933330), (5, 1546664), (7, 1104760), (8, 966665), (10, 773332), (14, 552380), (20, 386666), (28, 276190), (35, 220952), (40, 193333), (56, 138095), (70, 110476), (71, 108920), (140, 55238), (142, 54460), (280, 27619), (284, 27230), (355, 21784), (389, 19880), (497, 15560), (568, 13615), (710, 10892), (778, 9940), (994, 7780), (1420, 5446), (1556, 4970), (1945, 3976), (1988, 3890), (2485, 3112), (2723, 2840)]