138947220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{3313}}^1$

素因数の和:3561

約数の個数: 72

約数和(自身を含む): 423409896

約数和(自身を除く): 284462676

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 233, 466, 699, 932, 1165, 1398, 2097, 2330, 2796, 3313, 3495, 4194, 4660, 6626, 6990, 8388, 9939, 10485, 13252, 13980, 16565, 19878, 20970, 29817, 33130, 39756, 41940, 49695, 59634, 66260, 99390, 119268, 149085, 198780, 298170, 596340, 771929, 1543858, 2315787, 3087716, 3859645, 4631574, 6947361, 7719290, 9263148, 11578935, 13894722, 15438580, 23157870, 27789444, 34736805, 46315740, 69473610, 138947220]

約数ペア:

[(1, 138947220), (2, 69473610), (3, 46315740), (4, 34736805), (5, 27789444), (6, 23157870), (9, 15438580), (10, 13894722), (12, 11578935), (15, 9263148), (18, 7719290), (20, 6947361), (30, 4631574), (36, 3859645), (45, 3087716), (60, 2315787), (90, 1543858), (180, 771929), (233, 596340), (466, 298170), (699, 198780), (932, 149085), (1165, 119268), (1398, 99390), (2097, 66260), (2330, 59634), (2796, 49695), (3313, 41940), (3495, 39756), (4194, 33130), (4660, 29817), (6626, 20970), (6990, 19878), (8388, 16565), (9939, 13980), (10485, 13252)]