747720890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1525961}}^1$

素因数の和:1525982

約数の個数: 24

約数和(自身を含む): 1565637012

約数和(自身を除く): 817916122

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1525961, 3051922, 7629805, 10681727, 15259610, 21363454, 53408635, 74772089, 106817270, 149544178, 373860445, 747720890]

約数ペア:

[(1, 747720890), (2, 373860445), (5, 149544178), (7, 106817270), (10, 74772089), (14, 53408635), (35, 21363454), (49, 15259610), (70, 10681727), (98, 7629805), (245, 3051922), (490, 1525961)]