71344840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{254803}}^1$

素因数の和:254821

約数の個数: 32

約数和(自身を含む): 183458880

約数和(自身を除く): 112114040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 254803, 509606, 1019212, 1274015, 1783621, 2038424, 2548030, 3567242, 5096060, 7134484, 8918105, 10192120, 14268968, 17836210, 35672420, 71344840]

約数ペア:

[(1, 71344840), (2, 35672420), (4, 17836210), (5, 14268968), (7, 10192120), (8, 8918105), (10, 7134484), (14, 5096060), (20, 3567242), (28, 2548030), (35, 2038424), (40, 1783621), (56, 1274015), (70, 1019212), (140, 509606), (280, 254803)]