1234416220

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{499}}^1\times {\mathrm{691}}^1$

素因数の和:1378

約数の個数: 48

約数和(自身を含む): 2615760000

約数和(自身を除く): 1381343780

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 499, 691, 716, 895, 998, 1382, 1790, 1996, 2495, 2764, 3455, 3580, 4990, 6910, 9980, 13820, 89321, 123689, 178642, 247378, 344809, 357284, 446605, 494756, 618445, 689618, 893210, 1236890, 1379236, 1724045, 1786420, 2473780, 3448090, 6896180, 61720811, 123441622, 246883244, 308604055, 617208110, 1234416220]

約数ペア:

[(1, 1234416220), (2, 617208110), (4, 308604055), (5, 246883244), (10, 123441622), (20, 61720811), (179, 6896180), (358, 3448090), (499, 2473780), (691, 1786420), (716, 1724045), (895, 1379236), (998, 1236890), (1382, 893210), (1790, 689618), (1996, 618445), (2495, 494756), (2764, 446605), (3455, 357284), (3580, 344809), (4990, 247378), (6910, 178642), (9980, 123689), (13820, 89321)]