About the Number

489861008

489861007 ← → 489861009

2進数表記:11101001100101010111110010000

漢数字表記:四億八千九百八十六万千八

素因数分解:

2 4 × 7 1 × 13 1 × 31 1 × 10853 1

素因数の和:10912
約数の個数: 80
約数和(自身を含む): 1205922816
約数和(自身を除く): 716061808

約数列:
[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 91, 104, 112, 124, 182, 208, 217, 248, 364, 403, 434, 496, 728, 806, 868, 1456, 1612, 1736, 2821, 3224, 3472, 5642, 6448, 10853, 11284, 21706, 22568, 43412, 45136, 75971, 86824, 141089, 151942, 173648, 282178, 303884, 336443, 564356, 607768, 672886, 987623, 1128712, 1215536, 1345772, 1975246, 2257424, 2355101, 2691544, 3950492, 4373759, 4710202, 5383088, 7900984, 8747518, 9420404, 15801968, 17495036, 18840808, 30616313, 34990072, 37681616, 61232626, 69980144, 122465252, 244930504, 489861008]

約数ペア:
[(1, 489861008), (2, 244930504), (4, 122465252), (7, 69980144), (8, 61232626), (13, 37681616), (14, 34990072), (16, 30616313), (26, 18840808), (28, 17495036), (31, 15801968), (52, 9420404), (56, 8747518), (62, 7900984), (91, 5383088), (104, 4710202), (112, 4373759), (124, 3950492), (182, 2691544), (208, 2355101), (217, 2257424), (248, 1975246), (364, 1345772), (403, 1215536), (434, 1128712), (496, 987623), (728, 672886), (806, 607768), (868, 564356), (1456, 336443), (1612, 303884), (1736, 282178), (2821, 173648), (3224, 151942), (3472, 141089), (5642, 86824), (6448, 75971), (10853, 45136), (11284, 43412), (21706, 22568)]

このpageの処理時間: 0.15080022811889648 seconds