18829129425

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{47}}^2\times {\mathrm{3919}}^1$

素因数の和:4055

約数の個数: 72

約数和(自身を含む): 32912476800

約数和(自身を除く): 14083347375

約数列:

[1, 3, 5, 15, 25, 29, 47, 75, 87, 141, 145, 235, 435, 705, 725, 1175, 1363, 2175, 2209, 3525, 3919, 4089, 6627, 6815, 11045, 11757, 19595, 20445, 33135, 34075, 55225, 58785, 64061, 97975, 102225, 113651, 165675, 184193, 192183, 293925, 320305, 340953, 552579, 568255, 920965, 960915, 1601525, 1704765, 2762895, 2841275, 4604825, 4804575, 5341597, 8523825, 8657071, 13814475, 16024791, 25971213, 26707985, 43285355, 80123955, 129856065, 133539925, 216426775, 251055059, 400619775, 649280325, 753165177, 1255275295, 3765825885, 6276376475, 18829129425]

約数ペア:

[(1, 18829129425), (3, 6276376475), (5, 3765825885), (15, 1255275295), (25, 753165177), (29, 649280325), (47, 400619775), (75, 251055059), (87, 216426775), (141, 133539925), (145, 129856065), (235, 80123955), (435, 43285355), (705, 26707985), (725, 25971213), (1175, 16024791), (1363, 13814475), (2175, 8657071), (2209, 8523825), (3525, 5341597), (3919, 4804575), (4089, 4604825), (6627, 2841275), (6815, 2762895), (11045, 1704765), (11757, 1601525), (19595, 960915), (20445, 920965), (33135, 568255), (34075, 552579), (55225, 340953), (58785, 320305), (64061, 293925), (97975, 192183), (102225, 184193), (113651, 165675)]