77189560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{275677}}^1$

素因数の和:275695

約数の個数: 32

約数和(自身を含む): 198488160

約数和(自身を除く): 121298600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 275677, 551354, 1102708, 1378385, 1929739, 2205416, 2756770, 3859478, 5513540, 7718956, 9648695, 11027080, 15437912, 19297390, 38594780, 77189560]

約数ペア:

[(1, 77189560), (2, 38594780), (4, 19297390), (5, 15437912), (7, 11027080), (8, 9648695), (10, 7718956), (14, 5513540), (20, 3859478), (28, 2756770), (35, 2205416), (40, 1929739), (56, 1378385), (70, 1102708), (140, 551354), (280, 275677)]