1200170000

素因数分解:

$2^4\times 5^4\times {\mathrm{120017}}^1$

素因数の和:120045

約数の個数: 50

約数和(自身を含む): 2905755798

約数和(自身を除く): 1705585798

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 10000, 120017, 240034, 480068, 600085, 960136, 1200170, 1920272, 2400340, 3000425, 4800680, 6000850, 9601360, 12001700, 15002125, 24003400, 30004250, 48006800, 60008500, 75010625, 120017000, 150021250, 240034000, 300042500, 600085000, 1200170000]

約数ペア:

[(1, 1200170000), (2, 600085000), (4, 300042500), (5, 240034000), (8, 150021250), (10, 120017000), (16, 75010625), (20, 60008500), (25, 48006800), (40, 30004250), (50, 24003400), (80, 15002125), (100, 12001700), (125, 9601360), (200, 6000850), (250, 4800680), (400, 3000425), (500, 2400340), (625, 1920272), (1000, 1200170), (1250, 960136), (2000, 600085), (2500, 480068), (5000, 240034), (10000, 120017)]