72135490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{5231}}^1$

素因数の和:5442

約数の個数: 32

約数和(自身を含む): 149174784

約数和(自身を除く): 77039294

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 197, 394, 985, 1379, 1970, 2758, 5231, 6895, 10462, 13790, 26155, 36617, 52310, 73234, 183085, 366170, 1030507, 2061014, 5152535, 7213549, 10305070, 14427098, 36067745, 72135490]

約数ペア:

[(1, 72135490), (2, 36067745), (5, 14427098), (7, 10305070), (10, 7213549), (14, 5152535), (35, 2061014), (70, 1030507), (197, 366170), (394, 183085), (985, 73234), (1379, 52310), (1970, 36617), (2758, 26155), (5231, 13790), (6895, 10462)]