7964180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{349}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 19286400

約数和(自身を除く): 11322220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 349, 652, 698, 815, 1141, 1396, 1630, 1745, 2282, 2443, 3260, 3490, 4564, 4886, 5705, 6980, 9772, 11410, 12215, 22820, 24430, 48860, 56887, 113774, 227548, 284435, 398209, 568870, 796418, 1137740, 1592836, 1991045, 3982090, 7964180]

約数ペア:

[(1, 7964180), (2, 3982090), (4, 1991045), (5, 1592836), (7, 1137740), (10, 796418), (14, 568870), (20, 398209), (28, 284435), (35, 227548), (70, 113774), (140, 56887), (163, 48860), (326, 24430), (349, 22820), (652, 12215), (698, 11410), (815, 9772), (1141, 6980), (1396, 5705), (1630, 4886), (1745, 4564), (2282, 3490), (2443, 3260)]