315026780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{2447}}^1$

素因数の和:2654

約数の個数: 48

約数和(自身を含む): 682286976

約数和(自身を除く): 367260196

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 157, 164, 205, 314, 410, 628, 785, 820, 1570, 2447, 3140, 4894, 6437, 9788, 12235, 12874, 24470, 25748, 32185, 48940, 64370, 100327, 128740, 200654, 384179, 401308, 501635, 768358, 1003270, 1536716, 1920895, 2006540, 3841790, 7683580, 15751339, 31502678, 63005356, 78756695, 157513390, 315026780]

約数ペア:

[(1, 315026780), (2, 157513390), (4, 78756695), (5, 63005356), (10, 31502678), (20, 15751339), (41, 7683580), (82, 3841790), (157, 2006540), (164, 1920895), (205, 1536716), (314, 1003270), (410, 768358), (628, 501635), (785, 401308), (820, 384179), (1570, 200654), (2447, 128740), (3140, 100327), (4894, 64370), (6437, 48940), (9788, 32185), (12235, 25748), (12874, 24470)]