285298720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{254731}}^1$

素因数の和:254753

約数の個数: 48

約数和(自身を含む): 770309568

約数和(自身を除く): 485010848

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, 254731, 509462, 1018924, 1273655, 1783117, 2037848, 2547310, 3566234, 4075696, 5094620, 7132468, 8151392, 8915585, 10189240, 14264936, 17831170, 20378480, 28529872, 35662340, 40756960, 57059744, 71324680, 142649360, 285298720]

約数ペア:

[(1, 285298720), (2, 142649360), (4, 71324680), (5, 57059744), (7, 40756960), (8, 35662340), (10, 28529872), (14, 20378480), (16, 17831170), (20, 14264936), (28, 10189240), (32, 8915585), (35, 8151392), (40, 7132468), (56, 5094620), (70, 4075696), (80, 3566234), (112, 2547310), (140, 2037848), (160, 1783117), (224, 1273655), (280, 1018924), (560, 509462), (1120, 254731)]