54991720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{28057}}^1$

素因数の和:28082

約数の個数: 48

約数和(自身を含む): 143937540

約数和(自身を除く): 88945820

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 28057, 56114, 112228, 140285, 196399, 224456, 280570, 392798, 561140, 785596, 981995, 1122280, 1374793, 1571192, 1963990, 2749586, 3927980, 5499172, 6873965, 7855960, 10998344, 13747930, 27495860, 54991720]

約数ペア:

[(1, 54991720), (2, 27495860), (4, 13747930), (5, 10998344), (7, 7855960), (8, 6873965), (10, 5499172), (14, 3927980), (20, 2749586), (28, 1963990), (35, 1571192), (40, 1374793), (49, 1122280), (56, 981995), (70, 785596), (98, 561140), (140, 392798), (196, 280570), (245, 224456), (280, 196399), (392, 140285), (490, 112228), (980, 56114), (1960, 28057)]