49998500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^2\times {\mathrm{277}}^1$

素因数の和:334

約数の個数: 72

約数和(自身を含む): 115662456

約数和(自身を除く): 65663956

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 277, 361, 380, 475, 500, 554, 722, 950, 1108, 1385, 1444, 1805, 1900, 2375, 2770, 3610, 4750, 5263, 5540, 6925, 7220, 9025, 9500, 10526, 13850, 18050, 21052, 26315, 27700, 34625, 36100, 45125, 52630, 69250, 90250, 99997, 105260, 131575, 138500, 180500, 199994, 263150, 399988, 499985, 526300, 657875, 999970, 1315750, 1999940, 2499925, 2631500, 4999850, 9999700, 12499625, 24999250, 49998500]

約数ペア:

[(1, 49998500), (2, 24999250), (4, 12499625), (5, 9999700), (10, 4999850), (19, 2631500), (20, 2499925), (25, 1999940), (38, 1315750), (50, 999970), (76, 657875), (95, 526300), (100, 499985), (125, 399988), (190, 263150), (250, 199994), (277, 180500), (361, 138500), (380, 131575), (475, 105260), (500, 99997), (554, 90250), (722, 69250), (950, 52630), (1108, 45125), (1385, 36100), (1444, 34625), (1805, 27700), (1900, 26315), (2375, 21052), (2770, 18050), (3610, 13850), (4750, 10526), (5263, 9500), (5540, 9025), (6925, 7220)]