155315690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1\times {\mathrm{1511}}^1$

素因数の和:2078

約数の個数: 32

約数和(自身を含む): 295021440

約数和(自身を除く): 139705750

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 541, 1082, 1511, 2705, 3022, 5410, 7555, 10279, 15110, 20558, 28709, 51395, 57418, 102790, 143545, 287090, 817451, 1634902, 4087255, 8174510, 15531569, 31063138, 77657845, 155315690]

約数ペア:

[(1, 155315690), (2, 77657845), (5, 31063138), (10, 15531569), (19, 8174510), (38, 4087255), (95, 1634902), (190, 817451), (541, 287090), (1082, 143545), (1511, 102790), (2705, 57418), (3022, 51395), (5410, 28709), (7555, 20558), (10279, 15110)]