About the Number

213142720

213142719 ← → 213142721

2進数表記:1100101101000100110011000000

漢数字表記:二億千三百十四万二千七百二十

素因数分解:

2 6 × 5 1 × 7 1 × 95153 1

素因数の和:95177
約数の個数: 56
約数和(自身を含む): 580058784
約数和(自身を除く): 366916064

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, 95153, 190306, 380612, 475765, 666071, 761224, 951530, 1332142, 1522448, 1903060, 2664284, 3044896, 3330355, 3806120, 5328568, 6089792, 6660710, 7612240, 10657136, 13321420, 15224480, 21314272, 26642840, 30448960, 42628544, 53285680, 106571360, 213142720]

約数ペア:
[(1, 213142720), (2, 106571360), (4, 53285680), (5, 42628544), (7, 30448960), (8, 26642840), (10, 21314272), (14, 15224480), (16, 13321420), (20, 10657136), (28, 7612240), (32, 6660710), (35, 6089792), (40, 5328568), (56, 3806120), (64, 3330355), (70, 3044896), (80, 2664284), (112, 1903060), (140, 1522448), (160, 1332142), (224, 951530), (280, 761224), (320, 666071), (448, 475765), (560, 380612), (1120, 190306), (2240, 95153)]

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