238219780

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{38299}}^1$

素因数の和:38619

約数の個数: 24

約数和(自身を含む): 501883200

約数和(自身を除く): 263663420

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 38299, 76598, 153196, 191495, 382990, 765980, 11910989, 23821978, 47643956, 59554945, 119109890, 238219780]

約数ペア:

[(1, 238219780), (2, 119109890), (4, 59554945), (5, 47643956), (10, 23821978), (20, 11910989), (311, 765980), (622, 382990), (1244, 191495), (1555, 153196), (3110, 76598), (6220, 38299)]