309614620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{51431}}^1$

素因数の和:51490

約数の個数: 48

約数和(自身を含む): 760370688

約数和(自身を除く): 450756068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 51431, 102862, 205724, 257155, 360017, 514310, 720034, 1028620, 1440068, 1800085, 2211533, 3600170, 4423066, 7200340, 8846132, 11057665, 15480731, 22115330, 30961462, 44230660, 61922924, 77403655, 154807310, 309614620]

約数ペア:

[(1, 309614620), (2, 154807310), (4, 77403655), (5, 61922924), (7, 44230660), (10, 30961462), (14, 22115330), (20, 15480731), (28, 11057665), (35, 8846132), (43, 7200340), (70, 4423066), (86, 3600170), (140, 2211533), (172, 1800085), (215, 1440068), (301, 1028620), (430, 720034), (602, 514310), (860, 360017), (1204, 257155), (1505, 205724), (3010, 102862), (6020, 51431)]