100904720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{25741}}^1$

素因数の和:25768

約数の個数: 60

約数和(自身を含む): 272916684

約数和(自身を除く): 172011964

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, 25741, 51482, 102964, 128705, 180187, 205928, 257410, 360374, 411856, 514820, 720748, 900935, 1029640, 1261309, 1441496, 1801870, 2059280, 2522618, 2882992, 3603740, 5045236, 6306545, 7207480, 10090472, 12613090, 14414960, 20180944, 25226180, 50452360, 100904720]

約数ペア:

[(1, 100904720), (2, 50452360), (4, 25226180), (5, 20180944), (7, 14414960), (8, 12613090), (10, 10090472), (14, 7207480), (16, 6306545), (20, 5045236), (28, 3603740), (35, 2882992), (40, 2522618), (49, 2059280), (56, 1801870), (70, 1441496), (80, 1261309), (98, 1029640), (112, 900935), (140, 720748), (196, 514820), (245, 411856), (280, 360374), (392, 257410), (490, 205928), (560, 180187), (784, 128705), (980, 102964), (1960, 51482), (3920, 25741)]