190969436

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{389}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 389188800

約数和(自身を除く): 198219364

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 197, 356, 389, 394, 623, 778, 788, 1246, 1379, 1556, 2492, 2723, 2758, 5446, 5516, 10892, 17533, 34621, 35066, 69242, 70132, 76633, 122731, 138484, 153266, 242347, 245462, 306532, 484694, 490924, 536431, 969388, 1072862, 2145724, 6820337, 13640674, 27281348, 47742359, 95484718, 190969436]

約数ペア:

[(1, 190969436), (2, 95484718), (4, 47742359), (7, 27281348), (14, 13640674), (28, 6820337), (89, 2145724), (178, 1072862), (197, 969388), (356, 536431), (389, 490924), (394, 484694), (623, 306532), (778, 245462), (788, 242347), (1246, 153266), (1379, 138484), (1556, 122731), (2492, 76633), (2723, 70132), (2758, 69242), (5446, 35066), (5516, 34621), (10892, 17533)]