420286945

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^2\times {\mathrm{269}}^1$

素因数の和:386

約数の個数: 36

約数和(自身を含む): 561198780

約数和(自身を除く): 140911835

約数列:

[1, 5, 13, 43, 65, 169, 215, 269, 559, 845, 1345, 1849, 2795, 3497, 7267, 9245, 11567, 17485, 24037, 36335, 45461, 57835, 120185, 150371, 227305, 312481, 497381, 751855, 1562405, 1954823, 2486905, 6465953, 9774115, 32329765, 84057389, 420286945]

約数ペア:

[(1, 420286945), (5, 84057389), (13, 32329765), (43, 9774115), (65, 6465953), (169, 2486905), (215, 1954823), (269, 1562405), (559, 751855), (845, 497381), (1345, 312481), (1849, 227305), (2795, 150371), (3497, 120185), (7267, 57835), (9245, 45461), (11567, 36335), (17485, 24037)]