140145880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{71503}}^1$

素因数の和:71528

約数の個数: 48

約数和(自身を含む): 366815520

約数和(自身を除く): 226669640

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, 71503, 143006, 286012, 357515, 500521, 572024, 715030, 1001042, 1430060, 2002084, 2502605, 2860120, 3503647, 4004168, 5005210, 7007294, 10010420, 14014588, 17518235, 20020840, 28029176, 35036470, 70072940, 140145880]

約数ペア:

[(1, 140145880), (2, 70072940), (4, 35036470), (5, 28029176), (7, 20020840), (8, 17518235), (10, 14014588), (14, 10010420), (20, 7007294), (28, 5005210), (35, 4004168), (40, 3503647), (49, 2860120), (56, 2502605), (70, 2002084), (98, 1430060), (140, 1001042), (196, 715030), (245, 572024), (280, 500521), (392, 357515), (490, 286012), (980, 143006), (1960, 71503)]