351440

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:227

約数の個数: 40

約数和(自身を含む): 857088

約数和(自身を除く): 505648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 191, 230, 368, 382, 460, 764, 920, 955, 1528, 1840, 1910, 3056, 3820, 4393, 7640, 8786, 15280, 17572, 21965, 35144, 43930, 70288, 87860, 175720, 351440]

約数ペア:

[(1, 351440), (2, 175720), (4, 87860), (5, 70288), (8, 43930), (10, 35144), (16, 21965), (20, 17572), (23, 15280), (40, 8786), (46, 7640), (80, 4393), (92, 3820), (115, 3056), (184, 1910), (191, 1840), (230, 1528), (368, 955), (382, 920), (460, 764)]