About the Number

389917680

389917679 ← → 389917681

2進数表記:10111001111011010101111110000

漢数字表記:三億八千九百九十一万七千六百八十

素因数分解:

2 4 × 3 1 × 5 1 × 1097 1 × 1481 1

素因数の和:2594
約数の個数: 80
約数和(自身を含む): 1210663584
約数和(自身を除く): 820745904

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1097, 1481, 2194, 2962, 3291, 4388, 4443, 5485, 5924, 6582, 7405, 8776, 8886, 10970, 11848, 13164, 14810, 16455, 17552, 17772, 21940, 22215, 23696, 26328, 29620, 32910, 35544, 43880, 44430, 52656, 59240, 65820, 71088, 87760, 88860, 118480, 131640, 177720, 263280, 355440, 1624657, 3249314, 4873971, 6498628, 8123285, 9747942, 12997256, 16246570, 19495884, 24369855, 25994512, 32493140, 38991768, 48739710, 64986280, 77983536, 97479420, 129972560, 194958840, 389917680]

約数ペア:
[(1, 389917680), (2, 194958840), (3, 129972560), (4, 97479420), (5, 77983536), (6, 64986280), (8, 48739710), (10, 38991768), (12, 32493140), (15, 25994512), (16, 24369855), (20, 19495884), (24, 16246570), (30, 12997256), (40, 9747942), (48, 8123285), (60, 6498628), (80, 4873971), (120, 3249314), (240, 1624657), (1097, 355440), (1481, 263280), (2194, 177720), (2962, 131640), (3291, 118480), (4388, 88860), (4443, 87760), (5485, 71088), (5924, 65820), (6582, 59240), (7405, 52656), (8776, 44430), (8886, 43880), (10970, 35544), (11848, 32910), (13164, 29620), (14810, 26328), (16455, 23696), (17552, 22215), (17772, 21940)]

このpageの処理時間: 0.5854947566986084 seconds