About the Number

207980730

207980729 ← → 207980731

2進数表記:1100011001011000100010111010

漢数字表記:二億七百九十八万七百三十

素因数分解:

2 1 × 3 3 × 5 1 × 67 1 × 11497 1

素因数の和:11580
約数の個数: 64
約数和(自身を含む): 562942080
約数和(自身を除く): 354961350

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 67, 90, 134, 135, 201, 270, 335, 402, 603, 670, 1005, 1206, 1809, 2010, 3015, 3618, 6030, 9045, 11497, 18090, 22994, 34491, 57485, 68982, 103473, 114970, 172455, 206946, 310419, 344910, 517365, 620838, 770299, 1034730, 1540598, 1552095, 2310897, 3104190, 3851495, 4621794, 6932691, 7702990, 11554485, 13865382, 20798073, 23108970, 34663455, 41596146, 69326910, 103990365, 207980730]

約数ペア:
[(1, 207980730), (2, 103990365), (3, 69326910), (5, 41596146), (6, 34663455), (9, 23108970), (10, 20798073), (15, 13865382), (18, 11554485), (27, 7702990), (30, 6932691), (45, 4621794), (54, 3851495), (67, 3104190), (90, 2310897), (134, 1552095), (135, 1540598), (201, 1034730), (270, 770299), (335, 620838), (402, 517365), (603, 344910), (670, 310419), (1005, 206946), (1206, 172455), (1809, 114970), (2010, 103473), (3015, 68982), (3618, 57485), (6030, 34491), (9045, 22994), (11497, 18090)]

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