71078740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{809}}^1$

素因数の和:1032

約数の個数: 48

約数和(自身を含む): 156764160

約数和(自身を除く): 85685420

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 191, 230, 382, 460, 764, 809, 955, 1618, 1910, 3236, 3820, 4045, 4393, 8090, 8786, 16180, 17572, 18607, 21965, 37214, 43930, 74428, 87860, 93035, 154519, 186070, 309038, 372140, 618076, 772595, 1545190, 3090380, 3553937, 7107874, 14215748, 17769685, 35539370, 71078740]

約数ペア:

[(1, 71078740), (2, 35539370), (4, 17769685), (5, 14215748), (10, 7107874), (20, 3553937), (23, 3090380), (46, 1545190), (92, 772595), (115, 618076), (191, 372140), (230, 309038), (382, 186070), (460, 154519), (764, 93035), (809, 87860), (955, 74428), (1618, 43930), (1910, 37214), (3236, 21965), (3820, 18607), (4045, 17572), (4393, 16180), (8090, 8786)]