About the Number

129401856

129401855 ← → 129401857

2進数表記:111101101101000010000000000

漢数字表記:一億二千九百四十万千八百五十六

素因数分解:

2 10 × 3 2 × 19 1 × 739 1

素因数の和:784
約数の個数: 132
約数和(自身を含む): 393842800
約数和(自身を除く): 264440944

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 64, 72, 76, 96, 114, 128, 144, 152, 171, 192, 228, 256, 288, 304, 342, 384, 456, 512, 576, 608, 684, 739, 768, 912, 1024, 1152, 1216, 1368, 1478, 1536, 1824, 2217, 2304, 2432, 2736, 2956, 3072, 3648, 4434, 4608, 4864, 5472, 5912, 6651, 7296, 8868, 9216, 9728, 10944, 11824, 13302, 14041, 14592, 17736, 19456, 21888, 23648, 26604, 28082, 29184, 35472, 42123, 43776, 47296, 53208, 56164, 58368, 70944, 84246, 87552, 94592, 106416, 112328, 126369, 141888, 168492, 175104, 189184, 212832, 224656, 252738, 283776, 336984, 378368, 425664, 449312, 505476, 567552, 673968, 756736, 851328, 898624, 1010952, 1135104, 1347936, 1702656, 1797248, 2021904, 2270208, 2695872, 3405312, 3594496, 4043808, 5391744, 6810624, 7188992, 8087616, 10783488, 14377984, 16175232, 21566976, 32350464, 43133952, 64700928, 129401856]

約数ペア:
[(1, 129401856), (2, 64700928), (3, 43133952), (4, 32350464), (6, 21566976), (8, 16175232), (9, 14377984), (12, 10783488), (16, 8087616), (18, 7188992), (19, 6810624), (24, 5391744), (32, 4043808), (36, 3594496), (38, 3405312), (48, 2695872), (57, 2270208), (64, 2021904), (72, 1797248), (76, 1702656), (96, 1347936), (114, 1135104), (128, 1010952), (144, 898624), (152, 851328), (171, 756736), (192, 673968), (228, 567552), (256, 505476), (288, 449312), (304, 425664), (342, 378368), (384, 336984), (456, 283776), (512, 252738), (576, 224656), (608, 212832), (684, 189184), (739, 175104), (768, 168492), (912, 141888), (1024, 126369), (1152, 112328), (1216, 106416), (1368, 94592), (1478, 87552), (1536, 84246), (1824, 70944), (2217, 58368), (2304, 56164), (2432, 53208), (2736, 47296), (2956, 43776), (3072, 42123), (3648, 35472), (4434, 29184), (4608, 28082), (4864, 26604), (5472, 23648), (5912, 21888), (6651, 19456), (7296, 17736), (8868, 14592), (9216, 14041), (9728, 13302), (10944, 11824)]

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