About the Number

31143440

31143439 ← → 31143441

2進数表記:1110110110011011000010000

漢数字表記:三千百十四万三千四百四十

素因数分解:

2 4 × 5 1 × 71 1 × 5483 1

素因数の和:5567
約数の個数: 40
約数和(自身を含む): 73441728
約数和(自身を除く): 42298288

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5483, 5680, 10966, 21932, 27415, 43864, 54830, 87728, 109660, 219320, 389293, 438640, 778586, 1557172, 1946465, 3114344, 3892930, 6228688, 7785860, 15571720, 31143440]

約数ペア:
[(1, 31143440), (2, 15571720), (4, 7785860), (5, 6228688), (8, 3892930), (10, 3114344), (16, 1946465), (20, 1557172), (40, 778586), (71, 438640), (80, 389293), (142, 219320), (284, 109660), (355, 87728), (568, 54830), (710, 43864), (1136, 27415), (1420, 21932), (2840, 10966), (5483, 5680)]

このpageの処理時間: 0.25919294357299805 seconds