420428988

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{556123}}^1$

素因数の和:556143

約数の個数: 48

約数和(自身を含む): 1245717760

約数和(自身を除く): 825288772

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 556123, 1112246, 1668369, 2224492, 3336738, 3892861, 5005107, 6673476, 7785722, 10010214, 11678583, 15015321, 15571444, 20020428, 23357166, 30030642, 35035749, 46714332, 60061284, 70071498, 105107247, 140142996, 210214494, 420428988]

約数ペア:

[(1, 420428988), (2, 210214494), (3, 140142996), (4, 105107247), (6, 70071498), (7, 60061284), (9, 46714332), (12, 35035749), (14, 30030642), (18, 23357166), (21, 20020428), (27, 15571444), (28, 15015321), (36, 11678583), (42, 10010214), (54, 7785722), (63, 6673476), (84, 5005107), (108, 3892861), (126, 3336738), (189, 2224492), (252, 1668369), (378, 1112246), (756, 556123)]