197917160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{706847}}^1$

素因数の和:706865

約数の個数: 32

約数和(自身を含む): 508930560

約数和(自身を除く): 311013400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 706847, 1413694, 2827388, 3534235, 4947929, 5654776, 7068470, 9895858, 14136940, 19791716, 24739645, 28273880, 39583432, 49479290, 98958580, 197917160]

約数ペア:

[(1, 197917160), (2, 98958580), (4, 49479290), (5, 39583432), (7, 28273880), (8, 24739645), (10, 19791716), (14, 14136940), (20, 9895858), (28, 7068470), (35, 5654776), (40, 4947929), (56, 3534235), (70, 2827388), (140, 1413694), (280, 706847)]