About the Number

109008990

109008989 ← → 109008991

2進数表記:110011111110101100001011110

漢数字表記:一億九百万八千九百九十

素因数分解:

2 1 × 3 4 × 5 1 × 59 1 × 2281 1

素因数の和:2359
約数の個数: 80
約数和(自身を含む): 298211760
約数和(自身を除く): 189202770

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 59, 81, 90, 118, 135, 162, 177, 270, 295, 354, 405, 531, 590, 810, 885, 1062, 1593, 1770, 2281, 2655, 3186, 4562, 4779, 5310, 6843, 7965, 9558, 11405, 13686, 15930, 20529, 22810, 23895, 34215, 41058, 47790, 61587, 68430, 102645, 123174, 134579, 184761, 205290, 269158, 307935, 369522, 403737, 615870, 672895, 807474, 923805, 1211211, 1345790, 1847610, 2018685, 2422422, 3633633, 4037370, 6056055, 7267266, 10900899, 12112110, 18168165, 21801798, 36336330, 54504495, 109008990]

約数ペア:
[(1, 109008990), (2, 54504495), (3, 36336330), (5, 21801798), (6, 18168165), (9, 12112110), (10, 10900899), (15, 7267266), (18, 6056055), (27, 4037370), (30, 3633633), (45, 2422422), (54, 2018685), (59, 1847610), (81, 1345790), (90, 1211211), (118, 923805), (135, 807474), (162, 672895), (177, 615870), (270, 403737), (295, 369522), (354, 307935), (405, 269158), (531, 205290), (590, 184761), (810, 134579), (885, 123174), (1062, 102645), (1593, 68430), (1770, 61587), (2281, 47790), (2655, 41058), (3186, 34215), (4562, 23895), (4779, 22810), (5310, 20529), (6843, 15930), (7965, 13686), (9558, 11405)]

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