39549860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{40357}}^1$

素因数の和:40380

約数の個数: 36

約数和(自身を含む): 96617052

約数和(自身を除く): 57067192

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 40357, 80714, 161428, 201785, 282499, 403570, 564998, 807140, 1129996, 1412495, 1977493, 2824990, 3954986, 5649980, 7909972, 9887465, 19774930, 39549860]

約数ペア:

[(1, 39549860), (2, 19774930), (4, 9887465), (5, 7909972), (7, 5649980), (10, 3954986), (14, 2824990), (20, 1977493), (28, 1412495), (35, 1129996), (49, 807140), (70, 564998), (98, 403570), (140, 282499), (196, 201785), (245, 161428), (490, 80714), (980, 40357)]