390775

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1$

素因数の和:64

約数の個数: 36

約数和(自身を含む): 636120

約数和(自身を除く): 245345

約数列:

[1, 5, 7, 11, 25, 29, 35, 49, 55, 77, 145, 175, 203, 245, 275, 319, 385, 539, 725, 1015, 1225, 1421, 1595, 1925, 2233, 2695, 5075, 7105, 7975, 11165, 13475, 15631, 35525, 55825, 78155, 390775]

約数ペア:

[(1, 390775), (5, 78155), (7, 55825), (11, 35525), (25, 15631), (29, 13475), (35, 11165), (49, 7975), (55, 7105), (77, 5075), (145, 2695), (175, 2233), (203, 1925), (245, 1595), (275, 1421), (319, 1225), (385, 1015), (539, 725)]