245438000

素因数分解:

$2^4\times 5^3\times {\mathrm{122719}}^1$

素因数の和:122742

約数の個数: 40

約数和(自身を含む): 593473920

約数和(自身を除く): 348035920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 122719, 245438, 490876, 613595, 981752, 1227190, 1963504, 2454380, 3067975, 4908760, 6135950, 9817520, 12271900, 15339875, 24543800, 30679750, 49087600, 61359500, 122719000, 245438000]

約数ペア:

[(1, 245438000), (2, 122719000), (4, 61359500), (5, 49087600), (8, 30679750), (10, 24543800), (16, 15339875), (20, 12271900), (25, 9817520), (40, 6135950), (50, 4908760), (80, 3067975), (100, 2454380), (125, 1963504), (200, 1227190), (250, 981752), (400, 613595), (500, 490876), (1000, 245438), (2000, 122719)]