28054740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{66797}}^1$

素因数の和:66816

約数の個数: 48

約数和(自身を含む): 89776512

約数和(自身を除く): 61721772

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 66797, 133594, 200391, 267188, 333985, 400782, 467579, 667970, 801564, 935158, 1001955, 1335940, 1402737, 1870316, 2003910, 2337895, 2805474, 4007820, 4675790, 5610948, 7013685, 9351580, 14027370, 28054740]

約数ペア:

[(1, 28054740), (2, 14027370), (3, 9351580), (4, 7013685), (5, 5610948), (6, 4675790), (7, 4007820), (10, 2805474), (12, 2337895), (14, 2003910), (15, 1870316), (20, 1402737), (21, 1335940), (28, 1001955), (30, 935158), (35, 801564), (42, 667970), (60, 467579), (70, 400782), (84, 333985), (105, 267188), (140, 200391), (210, 133594), (420, 66797)]