274889580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{654499}}^1$

素因数の和:654518

約数の個数: 48

約数和(自身を含む): 879648000

約数和(自身を除く): 604758420

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, 654499, 1308998, 1963497, 2617996, 3272495, 3926994, 4581493, 6544990, 7853988, 9162986, 9817485, 13089980, 13744479, 18325972, 19634970, 22907465, 27488958, 39269940, 45814930, 54977916, 68722395, 91629860, 137444790, 274889580]

約数ペア:

[(1, 274889580), (2, 137444790), (3, 91629860), (4, 68722395), (5, 54977916), (6, 45814930), (7, 39269940), (10, 27488958), (12, 22907465), (14, 19634970), (15, 18325972), (20, 13744479), (21, 13089980), (28, 9817485), (30, 9162986), (35, 7853988), (42, 6544990), (60, 4581493), (70, 3926994), (84, 3272495), (105, 2617996), (140, 1963497), (210, 1308998), (420, 654499)]