909000

素因数分解:

$2^3\times 3^2\times 5^3\times {\mathrm{101}}^1$

素因数の和:128

約数の個数: 96

約数和(自身を含む): 3102840

約数和(自身を除く): 2193840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 101, 120, 125, 150, 180, 200, 202, 225, 250, 300, 303, 360, 375, 404, 450, 500, 505, 600, 606, 750, 808, 900, 909, 1000, 1010, 1125, 1212, 1500, 1515, 1800, 1818, 2020, 2250, 2424, 2525, 3000, 3030, 3636, 4040, 4500, 4545, 5050, 6060, 7272, 7575, 9000, 9090, 10100, 12120, 12625, 15150, 18180, 20200, 22725, 25250, 30300, 36360, 37875, 45450, 50500, 60600, 75750, 90900, 101000, 113625, 151500, 181800, 227250, 303000, 454500, 909000]

約数ペア:

[(1, 909000), (2, 454500), (3, 303000), (4, 227250), (5, 181800), (6, 151500), (8, 113625), (9, 101000), (10, 90900), (12, 75750), (15, 60600), (18, 50500), (20, 45450), (24, 37875), (25, 36360), (30, 30300), (36, 25250), (40, 22725), (45, 20200), (50, 18180), (60, 15150), (72, 12625), (75, 12120), (90, 10100), (100, 9090), (101, 9000), (120, 7575), (125, 7272), (150, 6060), (180, 5050), (200, 4545), (202, 4500), (225, 4040), (250, 3636), (300, 3030), (303, 3000), (360, 2525), (375, 2424), (404, 2250), (450, 2020), (500, 1818), (505, 1800), (600, 1515), (606, 1500), (750, 1212), (808, 1125), (900, 1010), (909, 1000)]