About the Number

308049490

308049489 ← → 308049491

2進数表記:10010010111000111011001010010

漢数字表記:三億八百四万九千四百九十

素因数分解:

2 1 × 5 1 × 7 1 × 239 1 × 18413 1

素因数の和:18666
約数の個数: 32
約数和(自身を含む): 636387840
約数和(自身を除く): 328338350

約数列:
[1, 2, 5, 7, 10, 14, 35, 70, 239, 478, 1195, 1673, 2390, 3346, 8365, 16730, 18413, 36826, 92065, 128891, 184130, 257782, 644455, 1288910, 4400707, 8801414, 22003535, 30804949, 44007070, 61609898, 154024745, 308049490]

約数ペア:
[(1, 308049490), (2, 154024745), (5, 61609898), (7, 44007070), (10, 30804949), (14, 22003535), (35, 8801414), (70, 4400707), (239, 1288910), (478, 644455), (1195, 257782), (1673, 184130), (2390, 128891), (3346, 92065), (8365, 36826), (16730, 18413)]

このpageの処理時間: 0.07225322723388672 seconds