311990170

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{911}}^1\times {\mathrm{1489}}^1$

素因数の和:2430

約数の個数: 32

約数和(自身を含む): 587036160

約数和(自身を除く): 275045990

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 911, 1489, 1822, 2978, 4555, 7445, 9110, 14890, 20953, 34247, 41906, 68494, 104765, 171235, 209530, 342470, 1356479, 2712958, 6782395, 13564790, 31199017, 62398034, 155995085, 311990170]

約数ペア:

[(1, 311990170), (2, 155995085), (5, 62398034), (10, 31199017), (23, 13564790), (46, 6782395), (115, 2712958), (230, 1356479), (911, 342470), (1489, 209530), (1822, 171235), (2978, 104765), (4555, 68494), (7445, 41906), (9110, 34247), (14890, 20953)]