907970

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:147

約数の個数: 48

約数和(自身を含む): 2031480

約数和(自身を除く): 1123510

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 109, 119, 170, 218, 238, 245, 490, 545, 595, 763, 833, 1090, 1190, 1526, 1666, 1853, 3706, 3815, 4165, 5341, 7630, 8330, 9265, 10682, 12971, 18530, 25942, 26705, 53410, 64855, 90797, 129710, 181594, 453985, 907970]

約数ペア:

[(1, 907970), (2, 453985), (5, 181594), (7, 129710), (10, 90797), (14, 64855), (17, 53410), (34, 26705), (35, 25942), (49, 18530), (70, 12971), (85, 10682), (98, 9265), (109, 8330), (119, 7630), (170, 5341), (218, 4165), (238, 3815), (245, 3706), (490, 1853), (545, 1666), (595, 1526), (763, 1190), (833, 1090)]