138953000

素因数分解:

$2^3\times 5^3\times {\mathrm{283}}^1\times {\mathrm{491}}^1$

素因数の和:795

約数の個数: 64

約数和(自身を含む): 326963520

約数和(自身を除く): 188010520

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 283, 491, 500, 566, 982, 1000, 1132, 1415, 1964, 2264, 2455, 2830, 3928, 4910, 5660, 7075, 9820, 11320, 12275, 14150, 19640, 24550, 28300, 35375, 49100, 56600, 61375, 70750, 98200, 122750, 138953, 141500, 245500, 277906, 283000, 491000, 555812, 694765, 1111624, 1389530, 2779060, 3473825, 5558120, 6947650, 13895300, 17369125, 27790600, 34738250, 69476500, 138953000]

約数ペア:

[(1, 138953000), (2, 69476500), (4, 34738250), (5, 27790600), (8, 17369125), (10, 13895300), (20, 6947650), (25, 5558120), (40, 3473825), (50, 2779060), (100, 1389530), (125, 1111624), (200, 694765), (250, 555812), (283, 491000), (491, 283000), (500, 277906), (566, 245500), (982, 141500), (1000, 138953), (1132, 122750), (1415, 98200), (1964, 70750), (2264, 61375), (2455, 56600), (2830, 49100), (3928, 35375), (4910, 28300), (5660, 24550), (7075, 19640), (9820, 14150), (11320, 12275)]