12177860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 27350400

約数和(自身を除く): 15172540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 439, 730, 878, 1387, 1460, 1756, 2195, 2774, 4390, 5548, 6935, 8341, 8780, 13870, 16682, 27740, 32047, 33364, 41705, 64094, 83410, 128188, 160235, 166820, 320470, 608893, 640940, 1217786, 2435572, 3044465, 6088930, 12177860]

約数ペア:

[(1, 12177860), (2, 6088930), (4, 3044465), (5, 2435572), (10, 1217786), (19, 640940), (20, 608893), (38, 320470), (73, 166820), (76, 160235), (95, 128188), (146, 83410), (190, 64094), (292, 41705), (365, 33364), (380, 32047), (439, 27740), (730, 16682), (878, 13870), (1387, 8780), (1460, 8341), (1756, 6935), (2195, 5548), (2774, 4390)]