28494620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18503}}^1$

素因数の和:18530

約数の個数: 48

約数和(自身を含む): 74608128

約数和(自身を除く): 46113508

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 18503, 37006, 74012, 92515, 129521, 185030, 203533, 259042, 370060, 407066, 518084, 647605, 814132, 1017665, 1295210, 1424731, 2035330, 2590420, 2849462, 4070660, 5698924, 7123655, 14247310, 28494620]

約数ペア:

[(1, 28494620), (2, 14247310), (4, 7123655), (5, 5698924), (7, 4070660), (10, 2849462), (11, 2590420), (14, 2035330), (20, 1424731), (22, 1295210), (28, 1017665), (35, 814132), (44, 647605), (55, 518084), (70, 407066), (77, 370060), (110, 259042), (140, 203533), (154, 185030), (220, 129521), (308, 92515), (385, 74012), (770, 37006), (1540, 18503)]