409785040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{104537}}^1$

素因数の和:104564

約数の個数: 60

約数和(自身を含む): 1108311876

約数和(自身を除く): 698526836

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 104537, 209074, 418148, 522685, 731759, 836296, 1045370, 1463518, 1672592, 2090740, 2927036, 3658795, 4181480, 5122313, 5854072, 7317590, 8362960, 10244626, 11708144, 14635180, 20489252, 25611565, 29270360, 40978504, 51223130, 58540720, 81957008, 102446260, 204892520, 409785040]

約数ペア:

[(1, 409785040), (2, 204892520), (4, 102446260), (5, 81957008), (7, 58540720), (8, 51223130), (10, 40978504), (14, 29270360), (16, 25611565), (20, 20489252), (28, 14635180), (35, 11708144), (40, 10244626), (49, 8362960), (56, 7317590), (70, 5854072), (80, 5122313), (98, 4181480), (112, 3658795), (140, 2927036), (196, 2090740), (245, 1672592), (280, 1463518), (392, 1045370), (490, 836296), (560, 731759), (784, 522685), (980, 418148), (1960, 209074), (3920, 104537)]