161154140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{164443}}^1$

素因数の和:164466

約数の個数: 36

約数和(自身を含む): 393678936

約数和(自身を除く): 232524796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 164443, 328886, 657772, 822215, 1151101, 1644430, 2302202, 3288860, 4604404, 5755505, 8057707, 11511010, 16115414, 23022020, 32230828, 40288535, 80577070, 161154140]

約数ペア:

[(1, 161154140), (2, 80577070), (4, 40288535), (5, 32230828), (7, 23022020), (10, 16115414), (14, 11511010), (20, 8057707), (28, 5755505), (35, 4604404), (49, 3288860), (70, 2302202), (98, 1644430), (140, 1151101), (196, 822215), (245, 657772), (490, 328886), (980, 164443)]