About the Number

213380208

213380207 ← → 213380209

2進数表記:1100101101111110110001110000

漢数字表記:二億千三百三十八万二百八

素因数分解:

2 4 × 3 2 × 409 1 × 3623 1

素因数の和:4046
約数の個数: 60
約数和(自身を含む): 598793520
約数和(自身を除く): 385413312

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 409, 818, 1227, 1636, 2454, 3272, 3623, 3681, 4908, 6544, 7246, 7362, 9816, 10869, 14492, 14724, 19632, 21738, 28984, 29448, 32607, 43476, 57968, 58896, 65214, 86952, 130428, 173904, 260856, 521712, 1481807, 2963614, 4445421, 5927228, 8890842, 11854456, 13336263, 17781684, 23708912, 26672526, 35563368, 53345052, 71126736, 106690104, 213380208]

約数ペア:
[(1, 213380208), (2, 106690104), (3, 71126736), (4, 53345052), (6, 35563368), (8, 26672526), (9, 23708912), (12, 17781684), (16, 13336263), (18, 11854456), (24, 8890842), (36, 5927228), (48, 4445421), (72, 2963614), (144, 1481807), (409, 521712), (818, 260856), (1227, 173904), (1636, 130428), (2454, 86952), (3272, 65214), (3623, 58896), (3681, 57968), (4908, 43476), (6544, 32607), (7246, 29448), (7362, 28984), (9816, 21738), (10869, 19632), (14492, 14724)]

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