18644500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{761}}^1$

素因数の和:794

約数の個数: 72

約数和(自身を含む): 47429928

約数和(自身を除く): 28785428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 196, 245, 250, 350, 490, 500, 700, 761, 875, 980, 1225, 1522, 1750, 2450, 3044, 3500, 3805, 4900, 5327, 6125, 7610, 10654, 12250, 15220, 19025, 21308, 24500, 26635, 37289, 38050, 53270, 74578, 76100, 95125, 106540, 133175, 149156, 186445, 190250, 266350, 372890, 380500, 532700, 665875, 745780, 932225, 1331750, 1864450, 2663500, 3728900, 4661125, 9322250, 18644500]

約数ペア:

[(1, 18644500), (2, 9322250), (4, 4661125), (5, 3728900), (7, 2663500), (10, 1864450), (14, 1331750), (20, 932225), (25, 745780), (28, 665875), (35, 532700), (49, 380500), (50, 372890), (70, 266350), (98, 190250), (100, 186445), (125, 149156), (140, 133175), (175, 106540), (196, 95125), (245, 76100), (250, 74578), (350, 53270), (490, 38050), (500, 37289), (700, 26635), (761, 24500), (875, 21308), (980, 19025), (1225, 15220), (1522, 12250), (1750, 10654), (2450, 7610), (3044, 6125), (3500, 5327), (3805, 4900)]