257321775700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{733}}^1\times {\mathrm{947}}^1$

素因数の和:2042

約数の個数: 144

約数和(自身を含む): 612437926464

約数和(自身を除く): 355116150764

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 337, 550, 674, 733, 947, 1100, 1348, 1466, 1685, 1894, 2932, 3370, 3665, 3707, 3788, 4735, 6740, 7330, 7414, 8063, 8425, 9470, 10417, 14660, 14828, 16126, 16850, 18325, 18535, 18940, 20834, 23675, 32252, 33700, 36650, 37070, 40315, 41668, 47350, 52085, 73300, 74140, 80630, 92675, 94700, 104170, 161260, 185350, 201575, 208340, 247021, 260425, 319139, 370700, 403150, 494042, 520850, 638278, 694151, 806300, 988084, 1041700, 1235105, 1276556, 1388302, 1595695, 2470210, 2717231, 2776604, 3191390, 3470755, 3510529, 4940420, 5434462, 6175525, 6382780, 6941510, 7021058, 7635661, 7978475, 10868924, 12351050, 13586155, 13883020, 14042116, 15271322, 15956950, 17353775, 17552645, 24702100, 27172310, 30542644, 31913900, 34707550, 35105290, 38178305, 54344620, 67930775, 69415100, 70210580, 76356610, 87763225, 135861550, 152713220, 175526450, 190891525, 233928887, 271723100, 351052900, 381783050, 467857774, 763566100, 935715548, 1169644435, 2339288870, 2573217757, 4678577740, 5146435514, 5848222175, 10292871028, 11696444350, 12866088785, 23392888700, 25732177570, 51464355140, 64330443925, 128660887850, 257321775700]

約数ペア:

[(1, 257321775700), (2, 128660887850), (4, 64330443925), (5, 51464355140), (10, 25732177570), (11, 23392888700), (20, 12866088785), (22, 11696444350), (25, 10292871028), (44, 5848222175), (50, 5146435514), (55, 4678577740), (100, 2573217757), (110, 2339288870), (220, 1169644435), (275, 935715548), (337, 763566100), (550, 467857774), (674, 381783050), (733, 351052900), (947, 271723100), (1100, 233928887), (1348, 190891525), (1466, 175526450), (1685, 152713220), (1894, 135861550), (2932, 87763225), (3370, 76356610), (3665, 70210580), (3707, 69415100), (3788, 67930775), (4735, 54344620), (6740, 38178305), (7330, 35105290), (7414, 34707550), (8063, 31913900), (8425, 30542644), (9470, 27172310), (10417, 24702100), (14660, 17552645), (14828, 17353775), (16126, 15956950), (16850, 15271322), (18325, 14042116), (18535, 13883020), (18940, 13586155), (20834, 12351050), (23675, 10868924), (32252, 7978475), (33700, 7635661), (36650, 7021058), (37070, 6941510), (40315, 6382780), (41668, 6175525), (47350, 5434462), (52085, 4940420), (73300, 3510529), (74140, 3470755), (80630, 3191390), (92675, 2776604), (94700, 2717231), (104170, 2470210), (161260, 1595695), (185350, 1388302), (201575, 1276556), (208340, 1235105), (247021, 1041700), (260425, 988084), (319139, 806300), (370700, 694151), (403150, 638278), (494042, 520850)]