About the Number

1238369940

1238369939 ← → 1238369941

2進数表記:1001001110100000000011010010100

漢数字表記:十二億三千八百三十六万九千九百四十

素因数分解:

2 2 × 3 2 × 5 1 × 1433 1 × 4801 1

素因数の和:6249
約数の個数: 72
約数和(自身を含む): 3759793128
約数和(自身を除く): 2521423188

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1433, 2866, 4299, 4801, 5732, 7165, 8598, 9602, 12897, 14330, 14403, 17196, 19204, 21495, 24005, 25794, 28660, 28806, 42990, 43209, 48010, 51588, 57612, 64485, 72015, 85980, 86418, 96020, 128970, 144030, 172836, 216045, 257940, 288060, 432090, 864180, 6879833, 13759666, 20639499, 27519332, 34399165, 41278998, 61918497, 68798330, 82557996, 103197495, 123836994, 137596660, 206394990, 247673988, 309592485, 412789980, 619184970, 1238369940]

約数ペア:
[(1, 1238369940), (2, 619184970), (3, 412789980), (4, 309592485), (5, 247673988), (6, 206394990), (9, 137596660), (10, 123836994), (12, 103197495), (15, 82557996), (18, 68798330), (20, 61918497), (30, 41278998), (36, 34399165), (45, 27519332), (60, 20639499), (90, 13759666), (180, 6879833), (1433, 864180), (2866, 432090), (4299, 288060), (4801, 257940), (5732, 216045), (7165, 172836), (8598, 144030), (9602, 128970), (12897, 96020), (14330, 86418), (14403, 85980), (17196, 72015), (19204, 64485), (21495, 57612), (24005, 51588), (25794, 48010), (28660, 43209), (28806, 42990)]

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