221785280

素因数分解:

$2^6\times 5^1\times {\mathrm{693079}}^1$

素因数の和:693096

約数の個数: 28

約数和(自身を含む): 528126960

約数和(自身を除く): 306341680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 693079, 1386158, 2772316, 3465395, 5544632, 6930790, 11089264, 13861580, 22178528, 27723160, 44357056, 55446320, 110892640, 221785280]

約数ペア:

[(1, 221785280), (2, 110892640), (4, 55446320), (5, 44357056), (8, 27723160), (10, 22178528), (16, 13861580), (20, 11089264), (32, 6930790), (40, 5544632), (64, 3465395), (80, 2772316), (160, 1386158), (320, 693079)]