399788480

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13729}}^1$

素因数の和:13766

約数の個数: 112

約数和(自身を含む): 1171773120

約数和(自身を除く): 771984640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 728, 832, 910, 1040, 1120, 1456, 1820, 2080, 2240, 2912, 3640, 4160, 5824, 7280, 13729, 14560, 27458, 29120, 54916, 68645, 96103, 109832, 137290, 178477, 192206, 219664, 274580, 356954, 384412, 439328, 480515, 549160, 713908, 768824, 878656, 892385, 961030, 1098320, 1249339, 1427816, 1537648, 1784770, 1922060, 2196640, 2498678, 2855632, 3075296, 3569540, 3844120, 4393280, 4997356, 5711264, 6150592, 6246695, 7139080, 7688240, 9994712, 11422528, 12493390, 14278160, 15376480, 19989424, 24986780, 28556320, 30752960, 39978848, 49973560, 57112640, 79957696, 99947120, 199894240, 399788480]

約数ペア:

[(1, 399788480), (2, 199894240), (4, 99947120), (5, 79957696), (7, 57112640), (8, 49973560), (10, 39978848), (13, 30752960), (14, 28556320), (16, 24986780), (20, 19989424), (26, 15376480), (28, 14278160), (32, 12493390), (35, 11422528), (40, 9994712), (52, 7688240), (56, 7139080), (64, 6246695), (65, 6150592), (70, 5711264), (80, 4997356), (91, 4393280), (104, 3844120), (112, 3569540), (130, 3075296), (140, 2855632), (160, 2498678), (182, 2196640), (208, 1922060), (224, 1784770), (260, 1537648), (280, 1427816), (320, 1249339), (364, 1098320), (416, 961030), (448, 892385), (455, 878656), (520, 768824), (560, 713908), (728, 549160), (832, 480515), (910, 439328), (1040, 384412), (1120, 356954), (1456, 274580), (1820, 219664), (2080, 192206), (2240, 178477), (2912, 137290), (3640, 109832), (4160, 96103), (5824, 68645), (7280, 54916), (13729, 29120), (14560, 27458)]