200712120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{238943}}^1$

素因数の和:238964

約数の個数: 64

約数和(自身を含む): 688158720

約数和(自身を除く): 487446600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 238943, 477886, 716829, 955772, 1194715, 1433658, 1672601, 1911544, 2389430, 2867316, 3345202, 3584145, 4778860, 5017803, 5734632, 6690404, 7168290, 8363005, 9557720, 10035606, 13380808, 14336580, 16726010, 20071212, 25089015, 28673160, 33452020, 40142424, 50178030, 66904040, 100356060, 200712120]

約数ペア:

[(1, 200712120), (2, 100356060), (3, 66904040), (4, 50178030), (5, 40142424), (6, 33452020), (7, 28673160), (8, 25089015), (10, 20071212), (12, 16726010), (14, 14336580), (15, 13380808), (20, 10035606), (21, 9557720), (24, 8363005), (28, 7168290), (30, 6690404), (35, 5734632), (40, 5017803), (42, 4778860), (56, 3584145), (60, 3345202), (70, 2867316), (84, 2389430), (105, 1911544), (120, 1672601), (140, 1433658), (168, 1194715), (210, 955772), (280, 716829), (420, 477886), (840, 238943)]