90635860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{647399}}^1$

素因数の和:647415

約数の個数: 24

約数和(自身を含む): 217526400

約数和(自身を除く): 126890540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 647399, 1294798, 2589596, 3236995, 4531793, 6473990, 9063586, 12947980, 18127172, 22658965, 45317930, 90635860]

約数ペア:

[(1, 90635860), (2, 45317930), (4, 22658965), (5, 18127172), (7, 12947980), (10, 9063586), (14, 6473990), (20, 4531793), (28, 3236995), (35, 2589596), (70, 1294798), (140, 647399)]