About the Number

2888891880

2888891879 ← → 2888891881

2進数表記:10101100001100001111110111101000

漢数字表記:二十八億八千八百八十九万千八百八十

素因数分解:

2 3 × 3 1 × 5 1 × 7 1 × 367 1 × 9371 1

素因数の和:9759
約数の個数: 128
約数和(自身を含む): 9932820480
約数和(自身を除く): 7043928600

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 367, 420, 734, 840, 1101, 1468, 1835, 2202, 2569, 2936, 3670, 4404, 5138, 5505, 7340, 7707, 8808, 9371, 10276, 11010, 12845, 14680, 15414, 18742, 20552, 22020, 25690, 28113, 30828, 37484, 38535, 44040, 46855, 51380, 56226, 61656, 65597, 74968, 77070, 93710, 102760, 112452, 131194, 140565, 154140, 187420, 196791, 224904, 262388, 281130, 308280, 327985, 374840, 393582, 524776, 562260, 655970, 787164, 983955, 1124520, 1311940, 1574328, 1967910, 2623880, 3439157, 3935820, 6878314, 7871640, 10317471, 13756628, 17195785, 20634942, 24074099, 27513256, 34391570, 41269884, 48148198, 51587355, 68783140, 72222297, 82539768, 96296396, 103174710, 120370495, 137566280, 144444594, 192592792, 206349420, 240740990, 288889188, 361111485, 412698840, 481481980, 577778376, 722222970, 962963960, 1444445940, 2888891880]

約数ペア:
[(1, 2888891880), (2, 1444445940), (3, 962963960), (4, 722222970), (5, 577778376), (6, 481481980), (7, 412698840), (8, 361111485), (10, 288889188), (12, 240740990), (14, 206349420), (15, 192592792), (20, 144444594), (21, 137566280), (24, 120370495), (28, 103174710), (30, 96296396), (35, 82539768), (40, 72222297), (42, 68783140), (56, 51587355), (60, 48148198), (70, 41269884), (84, 34391570), (105, 27513256), (120, 24074099), (140, 20634942), (168, 17195785), (210, 13756628), (280, 10317471), (367, 7871640), (420, 6878314), (734, 3935820), (840, 3439157), (1101, 2623880), (1468, 1967910), (1835, 1574328), (2202, 1311940), (2569, 1124520), (2936, 983955), (3670, 787164), (4404, 655970), (5138, 562260), (5505, 524776), (7340, 393582), (7707, 374840), (8808, 327985), (9371, 308280), (10276, 281130), (11010, 262388), (12845, 224904), (14680, 196791), (15414, 187420), (18742, 154140), (20552, 140565), (22020, 131194), (25690, 112452), (28113, 102760), (30828, 93710), (37484, 77070), (38535, 74968), (44040, 65597), (46855, 61656), (51380, 56226)]

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