38415020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{39199}}^1$

素因数の和:39222

約数の個数: 36

約数和(自身を含む): 93844800

約数和(自身を除く): 55429780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 39199, 78398, 156796, 195995, 274393, 391990, 548786, 783980, 1097572, 1371965, 1920751, 2743930, 3841502, 5487860, 7683004, 9603755, 19207510, 38415020]

約数ペア:

[(1, 38415020), (2, 19207510), (4, 9603755), (5, 7683004), (7, 5487860), (10, 3841502), (14, 2743930), (20, 1920751), (28, 1371965), (35, 1097572), (49, 783980), (70, 548786), (98, 391990), (140, 274393), (196, 195995), (245, 156796), (490, 78398), (980, 39199)]