About the Number

31798130

31798129 ← → 31798131

2進数表記:1111001010011001101110010

漢数字表記:三千百七十九万八千百三十

素因数分解:

2 1 × 5 1 × 7 1 × 13 1 × 83 1 × 421 1

素因数の和:531
約数の個数: 64
約数和(自身を含む): 71463168
約数和(自身を除く): 39665038

約数列:
[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 83, 91, 130, 166, 182, 415, 421, 455, 581, 830, 842, 910, 1079, 1162, 2105, 2158, 2905, 2947, 4210, 5395, 5473, 5810, 5894, 7553, 10790, 10946, 14735, 15106, 27365, 29470, 34943, 37765, 38311, 54730, 69886, 75530, 76622, 174715, 191555, 244601, 349430, 383110, 454259, 489202, 908518, 1223005, 2271295, 2446010, 3179813, 4542590, 6359626, 15899065, 31798130]

約数ペア:
[(1, 31798130), (2, 15899065), (5, 6359626), (7, 4542590), (10, 3179813), (13, 2446010), (14, 2271295), (26, 1223005), (35, 908518), (65, 489202), (70, 454259), (83, 383110), (91, 349430), (130, 244601), (166, 191555), (182, 174715), (415, 76622), (421, 75530), (455, 69886), (581, 54730), (830, 38311), (842, 37765), (910, 34943), (1079, 29470), (1162, 27365), (2105, 15106), (2158, 14735), (2905, 10946), (2947, 10790), (4210, 7553), (5395, 5894), (5473, 5810)]

このpageの処理時間: 0.006476163864135742 seconds