31300940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1949}}^1$

素因数の和:2042

約数の個数: 48

約数和(自身を含む): 72727200

約数和(自身を除く): 41426260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1460, 1606, 1949, 3212, 3898, 4015, 7796, 8030, 9745, 16060, 19490, 21439, 38980, 42878, 85756, 107195, 142277, 214390, 284554, 428780, 569108, 711385, 1422770, 1565047, 2845540, 3130094, 6260188, 7825235, 15650470, 31300940]

約数ペア:

[(1, 31300940), (2, 15650470), (4, 7825235), (5, 6260188), (10, 3130094), (11, 2845540), (20, 1565047), (22, 1422770), (44, 711385), (55, 569108), (73, 428780), (110, 284554), (146, 214390), (220, 142277), (292, 107195), (365, 85756), (730, 42878), (803, 38980), (1460, 21439), (1606, 19490), (1949, 16060), (3212, 9745), (3898, 8030), (4015, 7796)]