About the Number

100272780

100272779 ← → 100272781

2進数表記:101111110100000101010001100

漢数字表記:一億二十七万二千七百八十

素因数分解:

2 2 × 3 2 × 5 1 × 97 1 × 5743 1

素因数の和:5855
約数の個数: 72
約数和(自身を含む): 307349952
約数和(自身を除く): 207077172

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 388, 485, 582, 873, 970, 1164, 1455, 1746, 1940, 2910, 3492, 4365, 5743, 5820, 8730, 11486, 17229, 17460, 22972, 28715, 34458, 51687, 57430, 68916, 86145, 103374, 114860, 172290, 206748, 258435, 344580, 516870, 557071, 1033740, 1114142, 1671213, 2228284, 2785355, 3342426, 5013639, 5570710, 6684852, 8356065, 10027278, 11141420, 16712130, 20054556, 25068195, 33424260, 50136390, 100272780]

約数ペア:
[(1, 100272780), (2, 50136390), (3, 33424260), (4, 25068195), (5, 20054556), (6, 16712130), (9, 11141420), (10, 10027278), (12, 8356065), (15, 6684852), (18, 5570710), (20, 5013639), (30, 3342426), (36, 2785355), (45, 2228284), (60, 1671213), (90, 1114142), (97, 1033740), (180, 557071), (194, 516870), (291, 344580), (388, 258435), (485, 206748), (582, 172290), (873, 114860), (970, 103374), (1164, 86145), (1455, 68916), (1746, 57430), (1940, 51687), (2910, 34458), (3492, 28715), (4365, 22972), (5743, 17460), (5820, 17229), (8730, 11486)]

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