4129420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 9289728

約数和(自身を除く): 5160308

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 191, 230, 235, 382, 460, 470, 764, 940, 955, 1081, 1910, 2162, 3820, 4324, 4393, 5405, 8786, 8977, 10810, 17572, 17954, 21620, 21965, 35908, 43930, 44885, 87860, 89770, 179540, 206471, 412942, 825884, 1032355, 2064710, 4129420]

約数ペア:

[(1, 4129420), (2, 2064710), (4, 1032355), (5, 825884), (10, 412942), (20, 206471), (23, 179540), (46, 89770), (47, 87860), (92, 44885), (94, 43930), (115, 35908), (188, 21965), (191, 21620), (230, 17954), (235, 17572), (382, 10810), (460, 8977), (470, 8786), (764, 5405), (940, 4393), (955, 4324), (1081, 3820), (1910, 2162)]