678064520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{2421659}}^1$

素因数の和:2421677

約数の個数: 32

約数和(自身を含む): 1743595200

約数和(自身を除く): 1065530680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 2421659, 4843318, 9686636, 12108295, 16951613, 19373272, 24216590, 33903226, 48433180, 67806452, 84758065, 96866360, 135612904, 169516130, 339032260, 678064520]

約数ペア:

[(1, 678064520), (2, 339032260), (4, 169516130), (5, 135612904), (7, 96866360), (8, 84758065), (10, 67806452), (14, 48433180), (20, 33903226), (28, 24216590), (35, 19373272), (40, 16951613), (56, 12108295), (70, 9686636), (140, 4843318), (280, 2421659)]