28861361620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2265413}}^1$

素因数の和:2265449

約数の個数: 72

約数和(自身を含む): 75927615624

約数和(自身を除く): 47066254004

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 2265413, 4530826, 9061652, 11327065, 15857891, 22654130, 29450369, 31715782, 45308260, 58900738, 63431564, 79289455, 111005237, 117801476, 147251845, 158578910, 206152583, 222010474, 294503690, 317157820, 412305166, 444020948, 555026185, 589007380, 824610332, 1030762915, 1110052370, 1443068081, 2061525830, 2220104740, 2886136162, 4123051660, 5772272324, 7215340405, 14430680810, 28861361620]

約数ペア:

[(1, 28861361620), (2, 14430680810), (4, 7215340405), (5, 5772272324), (7, 4123051660), (10, 2886136162), (13, 2220104740), (14, 2061525830), (20, 1443068081), (26, 1110052370), (28, 1030762915), (35, 824610332), (49, 589007380), (52, 555026185), (65, 444020948), (70, 412305166), (91, 317157820), (98, 294503690), (130, 222010474), (140, 206152583), (182, 158578910), (196, 147251845), (245, 117801476), (260, 111005237), (364, 79289455), (455, 63431564), (490, 58900738), (637, 45308260), (910, 31715782), (980, 29450369), (1274, 22654130), (1820, 15857891), (2548, 11327065), (3185, 9061652), (6370, 4530826), (12740, 2265413)]