About the Number

129590720

129590719 ← → 129590721

2進数表記:111101110010110010111000000

漢数字表記:一億二千九百五十九万七百二十

素因数分解:

2 6 × 5 1 × 7 1 × 57853 1

素因数の和:57877
約数の個数: 56
約数和(自身を含む): 352677984
約数和(自身を除く): 223087264

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 57853, 115706, 231412, 289265, 404971, 462824, 578530, 809942, 925648, 1157060, 1619884, 1851296, 2024855, 2314120, 3239768, 3702592, 4049710, 4628240, 6479536, 8099420, 9256480, 12959072, 16198840, 18512960, 25918144, 32397680, 64795360, 129590720]

約数ペア:
[(1, 129590720), (2, 64795360), (4, 32397680), (5, 25918144), (7, 18512960), (8, 16198840), (10, 12959072), (14, 9256480), (16, 8099420), (20, 6479536), (28, 4628240), (32, 4049710), (35, 3702592), (40, 3239768), (56, 2314120), (64, 2024855), (70, 1851296), (80, 1619884), (112, 1157060), (140, 925648), (160, 809942), (224, 578530), (280, 462824), (320, 404971), (448, 289265), (560, 231412), (1120, 115706), (2240, 57853)]

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