252240280

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{88817}}^1$

素因数の和:88899

約数の個数: 32

約数和(自身を含む): 575540640

約数和(自身を除く): 323300360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 88817, 177634, 355268, 444085, 710536, 888170, 1776340, 3552680, 6306007, 12612014, 25224028, 31530035, 50448056, 63060070, 126120140, 252240280]

約数ペア:

[(1, 252240280), (2, 126120140), (4, 63060070), (5, 50448056), (8, 31530035), (10, 25224028), (20, 12612014), (40, 6306007), (71, 3552680), (142, 1776340), (284, 888170), (355, 710536), (568, 444085), (710, 355268), (1420, 177634), (2840, 88817)]