28298480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{7219}}^1$

素因数の和:7246

約数の個数: 60

約数和(自身を含む): 76546440

約数和(自身を除く): 48247960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 7219, 14438, 28876, 36095, 50533, 57752, 72190, 101066, 115504, 144380, 202132, 252665, 288760, 353731, 404264, 505330, 577520, 707462, 808528, 1010660, 1414924, 1768655, 2021320, 2829848, 3537310, 4042640, 5659696, 7074620, 14149240, 28298480]

約数ペア:

[(1, 28298480), (2, 14149240), (4, 7074620), (5, 5659696), (7, 4042640), (8, 3537310), (10, 2829848), (14, 2021320), (16, 1768655), (20, 1414924), (28, 1010660), (35, 808528), (40, 707462), (49, 577520), (56, 505330), (70, 404264), (80, 353731), (98, 288760), (112, 252665), (140, 202132), (196, 144380), (245, 115504), (280, 101066), (392, 72190), (490, 57752), (560, 50533), (784, 36095), (980, 28876), (1960, 14438), (3920, 7219)]