109807775

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 179385840

約数和(自身を除く): 69578065

約数列:

[1, 5, 7, 11, 25, 29, 35, 49, 55, 77, 145, 175, 203, 245, 275, 281, 319, 385, 539, 725, 1015, 1225, 1405, 1421, 1595, 1925, 1967, 2233, 2695, 3091, 5075, 7025, 7105, 7975, 8149, 9835, 11165, 13475, 13769, 15455, 15631, 21637, 35525, 40745, 49175, 55825, 57043, 68845, 77275, 78155, 89639, 108185, 151459, 203725, 285215, 344225, 390775, 399301, 448195, 540925, 627473, 757295, 1426075, 1996505, 2240975, 3137365, 3786475, 4392311, 9982525, 15686825, 21961555, 109807775]

約数ペア:

[(1, 109807775), (5, 21961555), (7, 15686825), (11, 9982525), (25, 4392311), (29, 3786475), (35, 3137365), (49, 2240975), (55, 1996505), (77, 1426075), (145, 757295), (175, 627473), (203, 540925), (245, 448195), (275, 399301), (281, 390775), (319, 344225), (385, 285215), (539, 203725), (725, 151459), (1015, 108185), (1225, 89639), (1405, 78155), (1421, 77275), (1595, 68845), (1925, 57043), (1967, 55825), (2233, 49175), (2695, 40745), (3091, 35525), (5075, 21637), (7025, 15631), (7105, 15455), (7975, 13769), (8149, 13475), (9835, 11165)]