339965840

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:265

約数の個数: 120

約数和(自身を含む): 850207488

約数和(自身を除く): 510241648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 40, 58, 62, 80, 116, 124, 145, 155, 163, 232, 248, 290, 310, 326, 464, 496, 580, 620, 652, 815, 841, 899, 1160, 1240, 1304, 1630, 1682, 1798, 2320, 2480, 2608, 3260, 3364, 3596, 4205, 4495, 4727, 5053, 6520, 6728, 7192, 8410, 8990, 9454, 10106, 13040, 13456, 14384, 16820, 17980, 18908, 20212, 23635, 25265, 26071, 33640, 35960, 37816, 40424, 47270, 50530, 52142, 67280, 71920, 75632, 80848, 94540, 101060, 104284, 130355, 137083, 146537, 189080, 202120, 208568, 260710, 274166, 293074, 378160, 404240, 417136, 521420, 548332, 586148, 685415, 732685, 1042840, 1096664, 1172296, 1370830, 1465370, 2085680, 2193328, 2344592, 2741660, 2930740, 4249573, 5483320, 5861480, 8499146, 10966640, 11722960, 16998292, 21247865, 33996584, 42495730, 67993168, 84991460, 169982920, 339965840]

約数ペア:

[(1, 339965840), (2, 169982920), (4, 84991460), (5, 67993168), (8, 42495730), (10, 33996584), (16, 21247865), (20, 16998292), (29, 11722960), (31, 10966640), (40, 8499146), (58, 5861480), (62, 5483320), (80, 4249573), (116, 2930740), (124, 2741660), (145, 2344592), (155, 2193328), (163, 2085680), (232, 1465370), (248, 1370830), (290, 1172296), (310, 1096664), (326, 1042840), (464, 732685), (496, 685415), (580, 586148), (620, 548332), (652, 521420), (815, 417136), (841, 404240), (899, 378160), (1160, 293074), (1240, 274166), (1304, 260710), (1630, 208568), (1682, 202120), (1798, 189080), (2320, 146537), (2480, 137083), (2608, 130355), (3260, 104284), (3364, 101060), (3596, 94540), (4205, 80848), (4495, 75632), (4727, 71920), (5053, 67280), (6520, 52142), (6728, 50530), (7192, 47270), (8410, 40424), (8990, 37816), (9454, 35960), (10106, 33640), (13040, 26071), (13456, 25265), (14384, 23635), (16820, 20212), (17980, 18908)]