164908100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2647}}^1$

素因数の和:2757

約数の個数: 72

約数和(自身を含む): 413723520

約数和(自身を除く): 248815420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 89, 100, 140, 175, 178, 350, 356, 445, 623, 700, 890, 1246, 1780, 2225, 2492, 2647, 3115, 4450, 5294, 6230, 8900, 10588, 12460, 13235, 15575, 18529, 26470, 31150, 37058, 52940, 62300, 66175, 74116, 92645, 132350, 185290, 235583, 264700, 370580, 463225, 471166, 926450, 942332, 1177915, 1649081, 1852900, 2355830, 3298162, 4711660, 5889575, 6596324, 8245405, 11779150, 16490810, 23558300, 32981620, 41227025, 82454050, 164908100]

約数ペア:

[(1, 164908100), (2, 82454050), (4, 41227025), (5, 32981620), (7, 23558300), (10, 16490810), (14, 11779150), (20, 8245405), (25, 6596324), (28, 5889575), (35, 4711660), (50, 3298162), (70, 2355830), (89, 1852900), (100, 1649081), (140, 1177915), (175, 942332), (178, 926450), (350, 471166), (356, 463225), (445, 370580), (623, 264700), (700, 235583), (890, 185290), (1246, 132350), (1780, 92645), (2225, 74116), (2492, 66175), (2647, 62300), (3115, 52940), (4450, 37058), (5294, 31150), (6230, 26470), (8900, 18529), (10588, 15575), (12460, 13235)]