74725840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{133439}}^1$

素因数の和:133459

約数の個数: 40

約数和(自身を含む): 198558720

約数和(自身を除く): 123832880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 133439, 266878, 533756, 667195, 934073, 1067512, 1334390, 1868146, 2135024, 2668780, 3736292, 4670365, 5337560, 7472584, 9340730, 10675120, 14945168, 18681460, 37362920, 74725840]

約数ペア:

[(1, 74725840), (2, 37362920), (4, 18681460), (5, 14945168), (7, 10675120), (8, 9340730), (10, 7472584), (14, 5337560), (16, 4670365), (20, 3736292), (28, 2668780), (35, 2135024), (40, 1868146), (56, 1334390), (70, 1067512), (80, 934073), (112, 667195), (140, 533756), (280, 266878), (560, 133439)]