138737900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{198197}}^1$

素因数の和:198218

約数の個数: 36

約数和(自身を含む): 344071728

約数和(自身を除く): 205333828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 198197, 396394, 792788, 990985, 1387379, 1981970, 2774758, 3963940, 4954925, 5549516, 6936895, 9909850, 13873790, 19819700, 27747580, 34684475, 69368950, 138737900]

約数ペア:

[(1, 138737900), (2, 69368950), (4, 34684475), (5, 27747580), (7, 19819700), (10, 13873790), (14, 9909850), (20, 6936895), (25, 5549516), (28, 4954925), (35, 3963940), (50, 2774758), (70, 1981970), (100, 1387379), (140, 990985), (175, 792788), (350, 396394), (700, 198197)]