About the Number

129400992

129400991 ← → 129400993

2進数表記:111101101101000000010100000

漢数字表記:一億二千九百四十万九百九十二

素因数分解:

2 5 × 3 2 × 7 1 × 64187 1

素因数の和:64210
約数の個数: 72
約数和(自身を含む): 420559776
約数和(自身を除く): 291158784

約数列:
[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 64187, 128374, 192561, 256748, 385122, 449309, 513496, 577683, 770244, 898618, 1026992, 1155366, 1347927, 1540488, 1797236, 2053984, 2310732, 2695854, 3080976, 3594472, 4043781, 4621464, 5391708, 6161952, 7188944, 8087562, 9242928, 10783416, 14377888, 16175124, 18485856, 21566832, 32350248, 43133664, 64700496, 129400992]

約数ペア:
[(1, 129400992), (2, 64700496), (3, 43133664), (4, 32350248), (6, 21566832), (7, 18485856), (8, 16175124), (9, 14377888), (12, 10783416), (14, 9242928), (16, 8087562), (18, 7188944), (21, 6161952), (24, 5391708), (28, 4621464), (32, 4043781), (36, 3594472), (42, 3080976), (48, 2695854), (56, 2310732), (63, 2053984), (72, 1797236), (84, 1540488), (96, 1347927), (112, 1155366), (126, 1026992), (144, 898618), (168, 770244), (224, 577683), (252, 513496), (288, 449309), (336, 385122), (504, 256748), (672, 192561), (1008, 128374), (2016, 64187)]

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