678693610

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1063}}^1\times {\mathrm{1303}}^1$

素因数の和:2387

約数の個数: 48

約数和(自身を含む): 1423529856

約数和(自身を除く): 744836246

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1063, 1303, 2126, 2606, 5315, 6515, 7441, 9121, 10630, 13030, 14882, 18242, 37205, 45605, 52087, 63847, 74410, 91210, 104174, 127694, 260435, 319235, 520870, 638470, 1385089, 2770178, 6925445, 9695623, 13850890, 19391246, 48478115, 67869361, 96956230, 135738722, 339346805, 678693610]

約数ペア:

[(1, 678693610), (2, 339346805), (5, 135738722), (7, 96956230), (10, 67869361), (14, 48478115), (35, 19391246), (49, 13850890), (70, 9695623), (98, 6925445), (245, 2770178), (490, 1385089), (1063, 638470), (1303, 520870), (2126, 319235), (2606, 260435), (5315, 127694), (6515, 104174), (7441, 91210), (9121, 74410), (10630, 63847), (13030, 52087), (14882, 45605), (18242, 37205)]