239898420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1332769}}^1$

素因数の和:1332784

約数の個数: 36

約数和(自身を含む): 727692420

約数和(自身を除く): 487794000

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1332769, 2665538, 3998307, 5331076, 6663845, 7996614, 11994921, 13327690, 15993228, 19991535, 23989842, 26655380, 39983070, 47979684, 59974605, 79966140, 119949210, 239898420]

約数ペア:

[(1, 239898420), (2, 119949210), (3, 79966140), (4, 59974605), (5, 47979684), (6, 39983070), (9, 26655380), (10, 23989842), (12, 19991535), (15, 15993228), (18, 13327690), (20, 11994921), (30, 7996614), (36, 6663845), (45, 5331076), (60, 3998307), (90, 2665538), (180, 1332769)]