3921890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{313}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 8138880

約数和(自身を除く): 4216990

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 179, 313, 358, 626, 895, 1253, 1565, 1790, 2191, 2506, 3130, 4382, 6265, 10955, 12530, 21910, 56027, 112054, 280135, 392189, 560270, 784378, 1960945, 3921890]

約数ペア:

[(1, 3921890), (2, 1960945), (5, 784378), (7, 560270), (10, 392189), (14, 280135), (35, 112054), (70, 56027), (179, 21910), (313, 12530), (358, 10955), (626, 6265), (895, 4382), (1253, 3130), (1565, 2506), (1790, 2191)]