30840208

素因数分解:

$2^4\times 7^2\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:444

約数の個数: 60

約数和(自身を含む): 70255920

約数和(自身を除く): 39415712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 139, 196, 278, 283, 392, 556, 566, 784, 973, 1112, 1132, 1946, 1981, 2224, 2264, 3892, 3962, 4528, 6811, 7784, 7924, 13622, 13867, 15568, 15848, 27244, 27734, 31696, 39337, 54488, 55468, 78674, 108976, 110936, 157348, 221872, 275359, 314696, 550718, 629392, 1101436, 1927513, 2202872, 3855026, 4405744, 7710052, 15420104, 30840208]

約数ペア:

[(1, 30840208), (2, 15420104), (4, 7710052), (7, 4405744), (8, 3855026), (14, 2202872), (16, 1927513), (28, 1101436), (49, 629392), (56, 550718), (98, 314696), (112, 275359), (139, 221872), (196, 157348), (278, 110936), (283, 108976), (392, 78674), (556, 55468), (566, 54488), (784, 39337), (973, 31696), (1112, 27734), (1132, 27244), (1946, 15848), (1981, 15568), (2224, 13867), (2264, 13622), (3892, 7924), (3962, 7784), (4528, 6811)]