28490210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{1109}}^1$

素因数の和:1490

約数の個数: 32

約数和(自身を含む): 58821120

約数和(自身を除く): 30330910

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 367, 734, 1109, 1835, 2218, 2569, 3670, 5138, 5545, 7763, 11090, 12845, 15526, 25690, 38815, 77630, 407003, 814006, 2035015, 2849021, 4070030, 5698042, 14245105, 28490210]

約数ペア:

[(1, 28490210), (2, 14245105), (5, 5698042), (7, 4070030), (10, 2849021), (14, 2035015), (35, 814006), (70, 407003), (367, 77630), (734, 38815), (1109, 25690), (1835, 15526), (2218, 12845), (2569, 11090), (3670, 7763), (5138, 5545)]