2997520

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:523

約数の個数: 40

約数和(自身を含む): 7064280

約数和(自身を除く): 4066760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 421, 445, 712, 842, 890, 1424, 1684, 1780, 2105, 3368, 3560, 4210, 6736, 7120, 8420, 16840, 33680, 37469, 74938, 149876, 187345, 299752, 374690, 599504, 749380, 1498760, 2997520]

約数ペア:

[(1, 2997520), (2, 1498760), (4, 749380), (5, 599504), (8, 374690), (10, 299752), (16, 187345), (20, 149876), (40, 74938), (80, 37469), (89, 33680), (178, 16840), (356, 8420), (421, 7120), (445, 6736), (712, 4210), (842, 3560), (890, 3368), (1424, 2105), (1684, 1780)]