6489980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{307}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 15730176

約数和(自身を除く): 9240196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151, 302, 307, 604, 614, 755, 1057, 1228, 1510, 1535, 2114, 2149, 3020, 3070, 4228, 4298, 5285, 6140, 8596, 10570, 10745, 21140, 21490, 42980, 46357, 92714, 185428, 231785, 324499, 463570, 648998, 927140, 1297996, 1622495, 3244990, 6489980]

約数ペア:

[(1, 6489980), (2, 3244990), (4, 1622495), (5, 1297996), (7, 927140), (10, 648998), (14, 463570), (20, 324499), (28, 231785), (35, 185428), (70, 92714), (140, 46357), (151, 42980), (302, 21490), (307, 21140), (604, 10745), (614, 10570), (755, 8596), (1057, 6140), (1228, 5285), (1510, 4298), (1535, 4228), (2114, 3070), (2149, 3020)]