30578980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{80471}}^1$

素因数の和:80499

約数の個数: 24

約数和(自身を含む): 67596480

約数和(自身を除く): 37017500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 80471, 160942, 321884, 402355, 804710, 1528949, 1609420, 3057898, 6115796, 7644745, 15289490, 30578980]

約数ペア:

[(1, 30578980), (2, 15289490), (4, 7644745), (5, 6115796), (10, 3057898), (19, 1609420), (20, 1528949), (38, 804710), (76, 402355), (95, 321884), (190, 160942), (380, 80471)]