99997000

素因数分解:

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

素因数の和:336

約数の個数: 96

約数和(自身を含む): 247848120

約数和(自身を除く): 147851120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 277, 361, 380, 475, 500, 554, 722, 760, 950, 1000, 1108, 1385, 1444, 1805, 1900, 2216, 2375, 2770, 2888, 3610, 3800, 4750, 5263, 5540, 6925, 7220, 9025, 9500, 10526, 11080, 13850, 14440, 18050, 19000, 21052, 26315, 27700, 34625, 36100, 42104, 45125, 52630, 55400, 69250, 72200, 90250, 99997, 105260, 131575, 138500, 180500, 199994, 210520, 263150, 277000, 361000, 399988, 499985, 526300, 657875, 799976, 999970, 1052600, 1315750, 1999940, 2499925, 2631500, 3999880, 4999850, 5263000, 9999700, 12499625, 19999400, 24999250, 49998500, 99997000]

約数ペア:

[(1, 99997000), (2, 49998500), (4, 24999250), (5, 19999400), (8, 12499625), (10, 9999700), (19, 5263000), (20, 4999850), (25, 3999880), (38, 2631500), (40, 2499925), (50, 1999940), (76, 1315750), (95, 1052600), (100, 999970), (125, 799976), (152, 657875), (190, 526300), (200, 499985), (250, 399988), (277, 361000), (361, 277000), (380, 263150), (475, 210520), (500, 199994), (554, 180500), (722, 138500), (760, 131575), (950, 105260), (1000, 99997), (1108, 90250), (1385, 72200), (1444, 69250), (1805, 55400), (1900, 52630), (2216, 45125), (2375, 42104), (2770, 36100), (2888, 34625), (3610, 27700), (3800, 26315), (4750, 21052), (5263, 19000), (5540, 18050), (6925, 14440), (7220, 13850), (9025, 11080), (9500, 10526)]