About the Number

28228290

28228289 ← → 28228291

2進数表記:1101011101011101011000010

漢数字表記:二千八百二十二万八千二百九十

素因数分解:

2 1 × 3 1 × 5 1 × 31 1 × 127 1 × 239 1

素因数の和:407
約数の個数: 64
約数和(自身を含む): 70778880
約数和(自身を除く): 42550590

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 127, 155, 186, 239, 254, 310, 381, 465, 478, 635, 717, 762, 930, 1195, 1270, 1434, 1905, 2390, 3585, 3810, 3937, 7170, 7409, 7874, 11811, 14818, 19685, 22227, 23622, 30353, 37045, 39370, 44454, 59055, 60706, 74090, 91059, 111135, 118110, 151765, 182118, 222270, 303530, 455295, 910590, 940943, 1881886, 2822829, 4704715, 5645658, 9409430, 14114145, 28228290]

約数ペア:
[(1, 28228290), (2, 14114145), (3, 9409430), (5, 5645658), (6, 4704715), (10, 2822829), (15, 1881886), (30, 940943), (31, 910590), (62, 455295), (93, 303530), (127, 222270), (155, 182118), (186, 151765), (239, 118110), (254, 111135), (310, 91059), (381, 74090), (465, 60706), (478, 59055), (635, 44454), (717, 39370), (762, 37045), (930, 30353), (1195, 23622), (1270, 22227), (1434, 19685), (1905, 14818), (2390, 11811), (3585, 7874), (3810, 7409), (3937, 7170)]

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