28089210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{40709}}^1$

素因数の和:40742

約数の個数: 32

約数和(自身を含む): 70346880

約数和(自身を除く): 42257670

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 40709, 81418, 122127, 203545, 244254, 407090, 610635, 936307, 1221270, 1872614, 2808921, 4681535, 5617842, 9363070, 14044605, 28089210]

約数ペア:

[(1, 28089210), (2, 14044605), (3, 9363070), (5, 5617842), (6, 4681535), (10, 2808921), (15, 1872614), (23, 1221270), (30, 936307), (46, 610635), (69, 407090), (115, 244254), (138, 203545), (230, 122127), (345, 81418), (690, 40709)]