12422620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{997}}^1$

素因数の和:1102

約数の個数: 48

約数和(自身を含む): 30179520

約数和(自身を除く): 17756900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 997, 1246, 1780, 1994, 2492, 3115, 3988, 4985, 6230, 6979, 9970, 12460, 13958, 19940, 27916, 34895, 69790, 88733, 139580, 177466, 354932, 443665, 621131, 887330, 1242262, 1774660, 2484524, 3105655, 6211310, 12422620]

約数ペア:

[(1, 12422620), (2, 6211310), (4, 3105655), (5, 2484524), (7, 1774660), (10, 1242262), (14, 887330), (20, 621131), (28, 443665), (35, 354932), (70, 177466), (89, 139580), (140, 88733), (178, 69790), (356, 34895), (445, 27916), (623, 19940), (890, 13958), (997, 12460), (1246, 9970), (1780, 6979), (1994, 6230), (2492, 4985), (3115, 3988)]