63400900

素因数分解:

$2^2\times 5^2\times {\mathrm{397}}^1\times {\mathrm{1597}}^1$

素因数の和:2008

約数の個数: 36

約数和(自身を含む): 138012868

約数和(自身を除く): 74611968

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 397, 794, 1588, 1597, 1985, 3194, 3970, 6388, 7940, 7985, 9925, 15970, 19850, 31940, 39700, 39925, 79850, 159700, 634009, 1268018, 2536036, 3170045, 6340090, 12680180, 15850225, 31700450, 63400900]

約数ペア:

[(1, 63400900), (2, 31700450), (4, 15850225), (5, 12680180), (10, 6340090), (20, 3170045), (25, 2536036), (50, 1268018), (100, 634009), (397, 159700), (794, 79850), (1588, 39925), (1597, 39700), (1985, 31940), (3194, 19850), (3970, 15970), (6388, 9925), (7940, 7985)]