198149560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{707677}}^1$

素因数の和:707695

約数の個数: 32

約数和(自身を含む): 509528160

約数和(自身を除く): 311378600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 707677, 1415354, 2830708, 3538385, 4953739, 5661416, 7076770, 9907478, 14153540, 19814956, 24768695, 28307080, 39629912, 49537390, 99074780, 198149560]

約数ペア:

[(1, 198149560), (2, 99074780), (4, 49537390), (5, 39629912), (7, 28307080), (8, 24768695), (10, 19814956), (14, 14153540), (20, 9907478), (28, 7076770), (35, 5661416), (40, 4953739), (56, 3538385), (70, 2830708), (140, 1415354), (280, 707677)]