145347860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1038199}}^1$

素因数の和:1038215

約数の個数: 24

約数和(自身を含む): 348835200

約数和(自身を除く): 203487340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1038199, 2076398, 4152796, 5190995, 7267393, 10381990, 14534786, 20763980, 29069572, 36336965, 72673930, 145347860]

約数ペア:

[(1, 145347860), (2, 72673930), (4, 36336965), (5, 29069572), (7, 20763980), (10, 14534786), (14, 10381990), (20, 7267393), (28, 5190995), (35, 4152796), (70, 2076398), (140, 1038199)]