138445300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{197779}}^1$

素因数の和:197800

約数の個数: 36

約数和(自身を含む): 343346080

約数和(自身を除く): 204900780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 197779, 395558, 791116, 988895, 1384453, 1977790, 2768906, 3955580, 4944475, 5537812, 6922265, 9888950, 13844530, 19777900, 27689060, 34611325, 69222650, 138445300]

約数ペア:

[(1, 138445300), (2, 69222650), (4, 34611325), (5, 27689060), (7, 19777900), (10, 13844530), (14, 9888950), (20, 6922265), (25, 5537812), (28, 4944475), (35, 3955580), (50, 2768906), (70, 1977790), (100, 1384453), (140, 988895), (175, 791116), (350, 395558), (700, 197779)]