About the Number

31893905920

31893905919 ← → 31893905921

2進数表記:11101101101000001100110001000000000

漢数字表記:三百十八億九千三百九十万五千九百二十

素因数分解:

2 9 × 5 1 × 151 1 × 82507 1

素因数の和:82681
約数の個数: 80
約数和(自身を含む): 76977983808
約数和(自身を除く): 45084077888

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 151, 160, 256, 302, 320, 512, 604, 640, 755, 1208, 1280, 1510, 2416, 2560, 3020, 4832, 6040, 9664, 12080, 19328, 24160, 38656, 48320, 77312, 82507, 96640, 165014, 193280, 330028, 386560, 412535, 660056, 825070, 1320112, 1650140, 2640224, 3300280, 5280448, 6600560, 10560896, 12458557, 13201120, 21121792, 24917114, 26402240, 42243584, 49834228, 52804480, 62292785, 99668456, 105608960, 124585570, 199336912, 211217920, 249171140, 398673824, 498342280, 797347648, 996684560, 1594695296, 1993369120, 3189390592, 3986738240, 6378781184, 7973476480, 15946952960, 31893905920]

約数ペア:
[(1, 31893905920), (2, 15946952960), (4, 7973476480), (5, 6378781184), (8, 3986738240), (10, 3189390592), (16, 1993369120), (20, 1594695296), (32, 996684560), (40, 797347648), (64, 498342280), (80, 398673824), (128, 249171140), (151, 211217920), (160, 199336912), (256, 124585570), (302, 105608960), (320, 99668456), (512, 62292785), (604, 52804480), (640, 49834228), (755, 42243584), (1208, 26402240), (1280, 24917114), (1510, 21121792), (2416, 13201120), (2560, 12458557), (3020, 10560896), (4832, 6600560), (6040, 5280448), (9664, 3300280), (12080, 2640224), (19328, 1650140), (24160, 1320112), (38656, 825070), (48320, 660056), (77312, 412535), (82507, 386560), (96640, 330028), (165014, 193280)]

このpageの処理時間: 0.05168747901916504 seconds