221742680

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{24421}}^1$

素因数の和:24659

約数の個数: 32

約数和(自身を含む): 501139440

約数和(自身を除く): 279396760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2270, 4540, 9080, 24421, 48842, 97684, 122105, 195368, 244210, 488420, 976840, 5543567, 11087134, 22174268, 27717835, 44348536, 55435670, 110871340, 221742680]

約数ペア:

[(1, 221742680), (2, 110871340), (4, 55435670), (5, 44348536), (8, 27717835), (10, 22174268), (20, 11087134), (40, 5543567), (227, 976840), (454, 488420), (908, 244210), (1135, 195368), (1816, 122105), (2270, 97684), (4540, 48842), (9080, 24421)]