122912860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{877949}}^1$

素因数の和:877965

約数の個数: 24

約数和(自身を含む): 294991200

約数和(自身を除く): 172078340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 877949, 1755898, 3511796, 4389745, 6145643, 8779490, 12291286, 17558980, 24582572, 30728215, 61456430, 122912860]

約数ペア:

[(1, 122912860), (2, 61456430), (4, 30728215), (5, 24582572), (7, 17558980), (10, 12291286), (14, 8779490), (20, 6145643), (28, 4389745), (35, 3511796), (70, 1755898), (140, 877949)]