891310

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:145

約数の個数: 48

約数和(自身を含む): 1994544

約数和(自身を除く): 1103234

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 107, 119, 170, 214, 238, 245, 490, 535, 595, 749, 833, 1070, 1190, 1498, 1666, 1819, 3638, 3745, 4165, 5243, 7490, 8330, 9095, 10486, 12733, 18190, 25466, 26215, 52430, 63665, 89131, 127330, 178262, 445655, 891310]

約数ペア:

[(1, 891310), (2, 445655), (5, 178262), (7, 127330), (10, 89131), (14, 63665), (17, 52430), (34, 26215), (35, 25466), (49, 18190), (70, 12733), (85, 10486), (98, 9095), (107, 8330), (119, 7490), (170, 5243), (214, 4165), (238, 3745), (245, 3638), (490, 1819), (535, 1666), (595, 1498), (749, 1190), (833, 1070)]