17828860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{367}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 43029504

約数和(自身を除く): 25200644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 347, 367, 694, 734, 1388, 1468, 1735, 1835, 2429, 2569, 3470, 3670, 4858, 5138, 6940, 7340, 9716, 10276, 12145, 12845, 24290, 25690, 48580, 51380, 127349, 254698, 509396, 636745, 891443, 1273490, 1782886, 2546980, 3565772, 4457215, 8914430, 17828860]

約数ペア:

[(1, 17828860), (2, 8914430), (4, 4457215), (5, 3565772), (7, 2546980), (10, 1782886), (14, 1273490), (20, 891443), (28, 636745), (35, 509396), (70, 254698), (140, 127349), (347, 51380), (367, 48580), (694, 25690), (734, 24290), (1388, 12845), (1468, 12145), (1735, 10276), (1835, 9716), (2429, 7340), (2569, 6940), (3470, 5138), (3670, 4858)]