28697030

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2069}}^1$

素因数の和:2168

約数の個数: 32

約数和(自身を含む): 55144800

約数和(自身を除く): 26447770

約数列:

[1, 2, 5, 10, 19, 38, 73, 95, 146, 190, 365, 730, 1387, 2069, 2774, 4138, 6935, 10345, 13870, 20690, 39311, 78622, 151037, 196555, 302074, 393110, 755185, 1510370, 2869703, 5739406, 14348515, 28697030]

約数ペア:

[(1, 28697030), (2, 14348515), (5, 5739406), (10, 2869703), (19, 1510370), (38, 755185), (73, 393110), (95, 302074), (146, 196555), (190, 151037), (365, 78622), (730, 39311), (1387, 20690), (2069, 13870), (2774, 10345), (4138, 6935)]