42945420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{102251}}^1$

素因数の和:102270

約数の個数: 48

約数和(自身を含む): 137426688

約数和(自身を除く): 94481268

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 102251, 204502, 306753, 409004, 511255, 613506, 715757, 1022510, 1227012, 1431514, 1533765, 2045020, 2147271, 2863028, 3067530, 3578785, 4294542, 6135060, 7157570, 8589084, 10736355, 14315140, 21472710, 42945420]

約数ペア:

[(1, 42945420), (2, 21472710), (3, 14315140), (4, 10736355), (5, 8589084), (6, 7157570), (7, 6135060), (10, 4294542), (12, 3578785), (14, 3067530), (15, 2863028), (20, 2147271), (21, 2045020), (28, 1533765), (30, 1431514), (35, 1227012), (42, 1022510), (60, 715757), (70, 613506), (84, 511255), (105, 409004), (140, 306753), (210, 204502), (420, 102251)]