309336880

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{39863}}^1$

素因数の和:39973

約数の個数: 40

約数和(自身を含む): 726640992

約数和(自身を除く): 417304112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 39863, 79726, 159452, 199315, 318904, 398630, 637808, 797260, 1594520, 3189040, 3866711, 7733422, 15466844, 19333555, 30933688, 38667110, 61867376, 77334220, 154668440, 309336880]

約数ペア:

[(1, 309336880), (2, 154668440), (4, 77334220), (5, 61867376), (8, 38667110), (10, 30933688), (16, 19333555), (20, 15466844), (40, 7733422), (80, 3866711), (97, 3189040), (194, 1594520), (388, 797260), (485, 637808), (776, 398630), (970, 318904), (1552, 199315), (1940, 159452), (3880, 79726), (7760, 39863)]