142736720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{254887}}^1$

素因数の和:254907

約数の個数: 40

約数和(自身を含む): 379273344

約数和(自身を除く): 236536624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 254887, 509774, 1019548, 1274435, 1784209, 2039096, 2548870, 3568418, 4078192, 5097740, 7136836, 8921045, 10195480, 14273672, 17842090, 20390960, 28547344, 35684180, 71368360, 142736720]

約数ペア:

[(1, 142736720), (2, 71368360), (4, 35684180), (5, 28547344), (7, 20390960), (8, 17842090), (10, 14273672), (14, 10195480), (16, 8921045), (20, 7136836), (28, 5097740), (35, 4078192), (40, 3568418), (56, 2548870), (70, 2039096), (80, 1784209), (112, 1274435), (140, 1019548), (280, 509774), (560, 254887)]