About the Number

71287930

71287929 ← → 71287931

2進数表記:100001111111100010001111010

漢数字表記:七千百二十八万七千九百三十

素因数分解:

2 1 × 5 1 × 7 1 × 41 1 × 59 1 × 421 1

素因数の和:535
約数の個数: 64
約数和(自身を含む): 153135360
約数和(自身を除く): 81847430

約数列:
[1, 2, 5, 7, 10, 14, 35, 41, 59, 70, 82, 118, 205, 287, 295, 410, 413, 421, 574, 590, 826, 842, 1435, 2065, 2105, 2419, 2870, 2947, 4130, 4210, 4838, 5894, 12095, 14735, 16933, 17261, 24190, 24839, 29470, 33866, 34522, 49678, 84665, 86305, 120827, 124195, 169330, 172610, 173873, 241654, 248390, 347746, 604135, 869365, 1018399, 1208270, 1738730, 2036798, 5091995, 7128793, 10183990, 14257586, 35643965, 71287930]

約数ペア:
[(1, 71287930), (2, 35643965), (5, 14257586), (7, 10183990), (10, 7128793), (14, 5091995), (35, 2036798), (41, 1738730), (59, 1208270), (70, 1018399), (82, 869365), (118, 604135), (205, 347746), (287, 248390), (295, 241654), (410, 173873), (413, 172610), (421, 169330), (574, 124195), (590, 120827), (826, 86305), (842, 84665), (1435, 49678), (2065, 34522), (2105, 33866), (2419, 29470), (2870, 24839), (2947, 24190), (4130, 17261), (4210, 16933), (4838, 14735), (5894, 12095)]

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