28722260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1063}}^1$

素因数の和:1272

約数の個数: 48

約数和(自身を含む): 69355776

約数和(自身を除く): 40633516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 193, 386, 772, 965, 1063, 1351, 1930, 2126, 2702, 3860, 4252, 5315, 5404, 6755, 7441, 10630, 13510, 14882, 21260, 27020, 29764, 37205, 74410, 148820, 205159, 410318, 820636, 1025795, 1436113, 2051590, 2872226, 4103180, 5744452, 7180565, 14361130, 28722260]

約数ペア:

[(1, 28722260), (2, 14361130), (4, 7180565), (5, 5744452), (7, 4103180), (10, 2872226), (14, 2051590), (20, 1436113), (28, 1025795), (35, 820636), (70, 410318), (140, 205159), (193, 148820), (386, 74410), (772, 37205), (965, 29764), (1063, 27020), (1351, 21260), (1930, 14882), (2126, 13510), (2702, 10630), (3860, 7441), (4252, 6755), (5315, 5404)]