28926380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1931}}^1$

素因数の和:2054

約数の個数: 48

約数和(自身を含む): 70108416

約数和(自身を除く): 41182036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 1931, 2140, 2996, 3745, 3862, 7490, 7724, 9655, 13517, 14980, 19310, 27034, 38620, 54068, 67585, 135170, 206617, 270340, 413234, 826468, 1033085, 1446319, 2066170, 2892638, 4132340, 5785276, 7231595, 14463190, 28926380]

約数ペア:

[(1, 28926380), (2, 14463190), (4, 7231595), (5, 5785276), (7, 4132340), (10, 2892638), (14, 2066170), (20, 1446319), (28, 1033085), (35, 826468), (70, 413234), (107, 270340), (140, 206617), (214, 135170), (428, 67585), (535, 54068), (749, 38620), (1070, 27034), (1498, 19310), (1931, 14980), (2140, 13517), (2996, 9655), (3745, 7724), (3862, 7490)]