About the Number

989880864

989880863 ← → 989880865

2進数表記:111011000000000110001000100000

漢数字表記:九億八千九百八十八万八百六十四

素因数分解:

2 5 × 3 1 × 7 1 × 71 1 × 20747 1

素因数の和:20838
約数の個数: 96
約数和(自身を含む): 3011613696
約数和(自身を除く): 2021732832

約数列:
[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 71, 84, 96, 112, 142, 168, 213, 224, 284, 336, 426, 497, 568, 672, 852, 994, 1136, 1491, 1704, 1988, 2272, 2982, 3408, 3976, 5964, 6816, 7952, 11928, 15904, 20747, 23856, 41494, 47712, 62241, 82988, 124482, 145229, 165976, 248964, 290458, 331952, 435687, 497928, 580916, 663904, 871374, 995856, 1161832, 1473037, 1742748, 1991712, 2323664, 2946074, 3485496, 4419111, 4647328, 5892148, 6970992, 8838222, 10311259, 11784296, 13941984, 17676444, 20622518, 23568592, 30933777, 35352888, 41245036, 47137184, 61867554, 70705776, 82490072, 123735108, 141411552, 164980144, 247470216, 329960288, 494940432, 989880864]

約数ペア:
[(1, 989880864), (2, 494940432), (3, 329960288), (4, 247470216), (6, 164980144), (7, 141411552), (8, 123735108), (12, 82490072), (14, 70705776), (16, 61867554), (21, 47137184), (24, 41245036), (28, 35352888), (32, 30933777), (42, 23568592), (48, 20622518), (56, 17676444), (71, 13941984), (84, 11784296), (96, 10311259), (112, 8838222), (142, 6970992), (168, 5892148), (213, 4647328), (224, 4419111), (284, 3485496), (336, 2946074), (426, 2323664), (497, 1991712), (568, 1742748), (672, 1473037), (852, 1161832), (994, 995856), (1136, 871374), (1491, 663904), (1704, 580916), (1988, 497928), (2272, 435687), (2982, 331952), (3408, 290458), (3976, 248964), (5964, 165976), (6816, 145229), (7952, 124482), (11928, 82988), (15904, 62241), (20747, 47712), (23856, 41494)]

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