291337360

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{18869}}^1$

素因数の和:19075

約数の個数: 40

約数和(自身を含む): 680905080

約数和(自身を除く): 389567720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 7720, 15440, 18869, 37738, 75476, 94345, 150952, 188690, 301904, 377380, 754760, 1509520, 3641717, 7283434, 14566868, 18208585, 29133736, 36417170, 58267472, 72834340, 145668680, 291337360]

約数ペア:

[(1, 291337360), (2, 145668680), (4, 72834340), (5, 58267472), (8, 36417170), (10, 29133736), (16, 18208585), (20, 14566868), (40, 7283434), (80, 3641717), (193, 1509520), (386, 754760), (772, 377380), (965, 301904), (1544, 188690), (1930, 150952), (3088, 94345), (3860, 75476), (7720, 37738), (15440, 18869)]