305684960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{272933}}^1$

素因数の和:272955

約数の個数: 48

約数和(自身を含む): 825352416

約数和(自身を除く): 519667456

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 272933, 545866, 1091732, 1364665, 1910531, 2183464, 2729330, 3821062, 4366928, 5458660, 7642124, 8733856, 9552655, 10917320, 15284248, 19105310, 21834640, 30568496, 38210620, 43669280, 61136992, 76421240, 152842480, 305684960]

約数ペア:

[(1, 305684960), (2, 152842480), (4, 76421240), (5, 61136992), (7, 43669280), (8, 38210620), (10, 30568496), (14, 21834640), (16, 19105310), (20, 15284248), (28, 10917320), (32, 9552655), (35, 8733856), (40, 7642124), (56, 5458660), (70, 4366928), (80, 3821062), (112, 2729330), (140, 2183464), (160, 1910531), (224, 1364665), (280, 1091732), (560, 545866), (1120, 272933)]